学術論文（査読付）　Peer Reviewed Papers
  1. Kohei Suzuki, Masaaki Omura, Ryo Nagaoka, Kozue Saito, and Hideyuki Hasegawa, "Estimation of velocity vectors and evaluation of accuracy using two types of multi-angle Doppler methods on improved stenotic vessel models," Japanese Journal of Applied Physics, vol. 64, No. 4, pp. 04SP67-1-16, May 2025. doi.org/10.35848/1347-4065/adc81b
  2. Masahiro Matsuzaki, Masaaki Omura, Ryo Nagaoka, and Hideyuki Hasegawa, "Comparison of singular value decomposition filter frameworks for pre- and post-beamformed data of blood flow echo signals," Japanese Journal of Applied Physics, vol. 64, pp. 048002-1-5, April 2025. doi.org/10.35848/1347-4065/adbdd9
  3. Miku Iida, Ryo Nagaoka, Muhammad Shiddiq Sayyid Hashuro, Kei Kaneko, Riko Hasegawa, Masaaki Omura, Makoto Ohta, and Hideyuki Hasegawa, "Study on effects from motion on an estimation method of average speed of sound," Japanese Journal of Applied Physics, vol. 64, pp. 04SP51-1-10, April 2025. doi.org/10.35848/1347-4065/adc1d7
  4. Masaaki Omura, Kunimasa Yagi, Ryo Nagaoka, Kenji Yoshida, Tadashi Yamaguchi, Hideyuki Hasegawa, "Dual-frequency excitation in high-frame-rate ultrasonic backscatter coefficient analysis of hemorheological properties," Ultrasonics, vol. 149, art. no. 107589, May 2025. https://www.sciencedirect.com/science/article/pii/S0041624X25000265?via%3Dihub
  5. Hitoshi Hirano, Rikuto Suzuki, Masaaki Omura, Ryo Nagaoka, Kozue Saito, and Hideyuki Hasegawa, "Investigation of ultrasound transmit?receive sequence that enables both high-frame-rate vascular wall velocity estimation and high-contrast B-mode images," Sensors, vol. 25, pp. 2441-1-15, April 2025. doi.org/10.3390/s25082441
  6. Zhiming Zhang, Zhenyu Lei, MengChu Zhou, Hideyuki Hasegawa, and Shangce Gao, "Complex-valued convolutional gated recurrent neural network for ultrasound beamforming," IEEE Transactions on Neural Networks and Learning Systems, vol. 36, no. 3, pp. 5668-5679, March 2025. ieeexplore.ieee.org/document/10496192
  7. Ryo Nagaoka, Masaaki Omura, and Hideyuki Hasegawa, "Investigation of a method to estimate the average speed of sound using phase variances of element signals for ultrasound compound imaging," Journal of Medical Ultrasonics, vol. 51, pp. 17-28, November 2024. doi.org/10.1007/s10396-023-01378-9
  8. Zhenyu Lei, Shangce Gao, Hideyuki Hasegawa, Zhiming Zhang, MengChu Zhou, and Khaled Sedraoui, "Fully complex-valued gated recurrent neural network for ultrasound imaging," IEEE Transactions on Neural Networks and Learning Systems, vol. 35, no. 10, pp. 14918-14931, October 2024. doi.org/10.1109/TNNLS.2023.3282231
  9. 長谷川英之, "医用超音波分野におけるビームフォーミング技術 (Beamforming methods in the field of medical ultrasonics)," 電子情報通信学会 基礎・境界ソサイエティFundamentals Review, vol. 18, no. 1, pp. 56-70, July 1, 2024. doi.org/10.1587/essfr.18.1_56
  10. Hideyuki Hasegawa, "Developments in angle-independent velocity estimators for blood flow imaging," Japanese Journal of Applied Physics, vol. 63, no. 5, pp. 050801-1-11, May 7, 2024. doi.org/10.35848/1347-4065/ad32e3
  11. Yuga Mori, Masaaki Omura, Shota Suzuki, Ryo Nagaoka, Shangce Gao, Kunimasa Yagi, and Hideyuki Hasegawa, "Robust adversarial learning model to segment non-speckle regions in blood flow echo," Japanese Journal of Applied Physics, vol. 63, no. 4, pp. 04SP60-1-9, April 17, 2024. doi.org/10.35848/1347-4065/ad3834
  12. Tatsuya Yano, Hiromu Fujisawa, Masaaki Omura, Ryo Nagaoka, Kozue Saito, and Hideyuki Hasegawa, "Investigation on vector Doppler method for carotid artery wall with focused transmit beams produced from a cross-shaped probe," Japanese Journal of Applied Physics, vol. 63, no. 4, 04SP33-1-13, April 5, 2024. doi.org/10.35848/1347-4065/ad308d
  13. Takatoshi Maru, Masaaki Omura, Ryo Nagaoka, and Hideyuki Hasegawa, "Effects of beam steering angle and excitation frequency on blood flow imaging with plane wave imaging," Japanese Journal of Applied Physics, vol. 63, no. 4, 04SP34-1-10, April 5, 2024. doi.org/10.35848/1347-4065/ad2fe3
  14. Zhiming Zhang, Zhenyu Lei, Masaaki Omura, Hideyuki Hasegawa, and Shangce Gao, “Dendritic learning-incorporated vision transformer for image recognition,” IEEE/CAA Journal of Automatica Sinica, vol. 11, no. 2, pp. 539-541, Feb. 2024. doi.org/10.1109/JAS.2023.123978
  15. Michiya Mozumi, Masaaki Omura, Ryo Nagaoka, Kozue Saito, and Hideyuki Hasegawa, "Preliminary study on modeling blood flow velocity profile for ultrasonic measurement of wall shear stress," Japanese Journal of Applied Physics, vol. 62, no. SJ, pp. SJ1053-1-12, May 2023. doi.org/10.35848/1347-4065/acc07b
  16. Ryuichi Hiki, Masaaki Omura, Ryo Nagaoka, and Hideyuki Hasegawa, "Beamspace-domain learning of minimum variance beamformer with fully convolutional network," Japanese Journal of Applied Physics, vol. 62, no. SJ, pp. SJ1050-1-8, May 2023. doi.org/10.35848/1347-4065/acbda2.
  17. Kotaro Sugioka, Michiya Mozumi, Masaaki Omura, Ryo Nagaoka, and Hideyuki Hasegawa, "Investigation on synthetic aperture imaging using focused transmit beams for cardiac ultrasonography," Japanese Journal of Applied Physics, vol. 62, no. SJ, pp. SJ1048-1-10, April 2023. doi.org/10.35848/1347-4065/acc6db
  18. Masaaki Omura, Michio Takeuchi, Ryo Nagaoka, and Hideyuki Hasegawa, "Ultrasonic envelope statistical analysis in motion compensated images during temperature change," Japanese Journal of Applied Physics, vol. 62, pp. SJ1036-1-9, March 2023. doi.org/10.35848/1347-4065/acbb11
  19. Masaaki Omura, Kunimasa Yagi, Ryo Nagaoka, and Hideyuki Hasegawa, "Contrast analysis in ultrafast ultrasound blood flow imaging of jugular vein," Journal of Medical Ultrasonics, vol. 50, no. 2, pp. 131-141, February 2023. doi.org/10.1007/s10396-023-01289-9
  20. Ryo Nagaoka, Masaaki Omura, and Hideyuki Hasegawa, "Effects from imaging parameters of sub-aperture averaging in minimum variance adaptive beamforming using outputs of delay-and-sum beamformer," Japanese Journal of Applied Physics, vol. 62, no. SJ, pp. SJ8007-1-4, February 2023. doi.org/10.35848/1347-4065/acbb88.
  21. Masaaki Omura, Kunimasa Yagi, Ryo Nagaoka, Kenji Yoshida, Tadashi Yamaguchi, and Hideyuki Hasegawa, "Effect of clutter filter in high-frame-rate ultrasonic backscatter coefficient analysis." Sensors, vol. 23, no. 5, pp. 2639-1-14, February 2023. doi.org/10.3390/s23052639
  22. Michio Takeuchi, Toshihiko Sakai, Yusuke Oshima, Yasuhiro Kojima, Kenji Mori, Masaaki Omura, Ryo Nagaoka, and Hideyuki Hasegawa, "Nakagami parametric image for evaluation of degree of thermal denaturation inside porcine liver induced ex vivo by radiofrequency ablation," Japanese Journal of Applied Physics, vol. 62, pp. SJ1018-1-11, February 2023. doi.org/10.35848/1347-4065/acb71a
  23. Hideyuki Hasegawa, Masaaki Omura, Ryo Nagaoka, and Kozue Saito, "Two-dimensional wavenumber analysis implemented in ultrasonic vector Doppler method with focused transmit beams," Sensors, vol. 22, no. 24, pp. 9787-1-21, December 2022. doi.org/10.3390/s22249787
  24. Chi Yan Lee, Hideyuki Hasegawa, and Shangce Gao, "Complex-valued neural networks: A comprehensive survey," IEEE/CAA Journal of Automatica Sinica, vol. 9, no. 8, pp. 1406-1426, August 2022. doi.org/10.1109/JAS.2022.105743
  25. Masaaki Omura, Ryo Nagaoka, Kunimasa Yagi, Kenji Yoshida, Tadashi Yamaguchi, and Hideyuki Hasegawa, "Characterization of blood mimicking fluid with ultrafast ultrasonic and optical image velocimeters," Japanese Journal of Applied Physics, vol. 61, no. SG, pp. SG1067-1-8, May 2022. doi.org/10.35848/1347-4065/ac4ea9
  26. Tatsuya Yano, Michiya Mozumi, Masaaki Omura, Ryo Nagaoka, and Hideyuki Hasegawa, "Investigation on effect of transmit condition on ultrasonic measurement of 2D motion velocity," Japanese Journal of Applied Physics, vol. 61, no. SG, pp. SG1053-1-12, May 2022. doi.org/10.35848/1347-4065/ac49fd
  27. Takumi Akamatsu, Michiya Mozumi, Masaaki Omura, Ryo Nagaoka, and Hideyuki Hasegawa, "Investigation on improving performance of adaptive beamformer by statistical analysis of ultrasonic echoes," Japanese Journal of Applied Physics, vol. 61, no. SG, pp. SG1040-1-8, May 2022. doi.org/10.35848/1347-4065/ac4f1f
  28. Kazuhiro Tochigi, Ryo Nagaoka, Jens E. Wilhjelm, and Hideyuki Hasegawa, "Enhancement of reflection and backscattering components by plane wave imaging for estimation of surface roughness," Japanese Journal of Applied Physics, vol. 61, pp. SG1025-1-9, March 2022. doi.org/10.35848/1347-4065/ac4682
  29. Hideyuki Hasegawa, Michiya Mozumi, Masaaki Omura, Ryo Nagaoka, and Kozue Saito, "Preliminary study on estimation of flow velocity vectors using focused transmit beams," Japanese Journal of Applied Physics, vol. 61, pp. SG1026-1-7, March 2022. doi.org/10.35848/1347-4065/ac4687
  30. Ryo Nagaoka, Masaaki Omura, Michiya Mozumi, Kunimasa Yagi, and Hideyuki Hasegawa, "Investigation on application of singular value decomposition filter in element domain for extraction of ultrasonic echoes from blood cells in jugular veins," Japanese Journal of Applied Physics, vol. 61, pp. SG1011-1-4, March 2022. doi.org/10.35848/1347-4065/ac4680
  31. Michiya Mozumi, Ryo Nagaoka, and Hideyuki Hasegawa, "Improving image contrast and accuracy in velocity estimation by convolution filters for intracardiac blood flow imaging," Ultrasonics, vol. 120, pp. 106650-1-8, March 2022. doi.org/10.1016/j.ultras.2021.106650
  32. Hideyuki Hasegawa, Masaaki Omura, and Ryo Nagaoka, "On the investigation of autocorrelation-based vector Doppler method with plane wave imaging," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 69, no. 4, pp. 1301-1311, February 2022. doi.org/10.1109/TUFFC.2022.3152186
  33. Ryo Nagaoka, Hideyuki Hasegawa, Kazuki Tamura, Sachiko Yoshida, Naohiro Hozumi, Kazuto Kobayashi, "Suppression of reflected signals from substrate as clutters for cell measurements using acoustic impedance microscopy," Ultrasonics, vol. 118, pp. 106580-1-8, January 2022. doi.org/10.1016/j.ultras.2021.106580
  34. Hideyuki Hasegawa, "Advances in ultrasonography: Image formation and quality assessment," Journal of Medical Ultrasonics, vol. 48, no. 4, pp. 377-389, October 2021. doi.org/10.1007/s10396-021-01140-z
  35. Michio Takeuchi, Toshihiko Sakai, Gabor Andocs, Tsuyoshi Takanaka, Masashi Taka, Sayuri Boh, Kuniko Yamashita, Masahiro Kawahara, Tomoko Nojiri, Asaka Tanaka, Azusa Norishima, Yoshitaka Omoto, Masaaki Omura, Ryo Nagaoka, Keizo Takao, and Hideyuki Hasegawa, "Statistical analysis of ultrasonic scattered echoes enables non-invasive measurement of temperature elevation inside tumor tissue during oncological hyperthermia treatment," Ultrasound in Medicine and Biology, vol. 47, no. 11, pp. 3301-3309, November 2021. doi.org/10.1016/j.ultrasmedbio.2021.07.019
  36. Hideyuki Hasegawa, Ryo Nagaoka, Masaaki Omura, Michiya Mozumi, and Kozue Saito, "Measurement of flow velocity vectors in carotid artery by plane wave imaging with repeated transmit sequence," Journal of Medical Ultrasonics, vol. 48, no. 4, pp. 417-427, July 2021. doi.org/10.1007/s10396-021-01113-2 (correction: vol. 48, no. 4, p. 429. doi.org/10.1007/s10396-021-01134-x)
  37. Elin Bohman, Johanna Berggren, Josefin Bunke, John Albinsson, Karl Engelsberg, Ulf Dahlstrand, Jenny Hult, Hideyuki Hasegawa, Magnus Cinthio, and Rafi Sheikh, "Novel evidence concerning the mechanism of active tear drainage based on ultra-high frequency ultrasound examinations of lacrimal drainage systems with and without nasolacrimal duct obstruction," Ophthalmic Plastic and Reconstructive Surgery, vol. 37, no. 4, pp. 334-340, July 2021. doi.org/10.1097/IOP.0000000000001865
  38. Mari Ueda, Tetsuo Tanaka, and Hideyuki Hasegawa, "Attempt to develop a sound-based examination monitoring system," Acoustical Science and Technology, vol. 42, no. 4. pp. 226-227, July 2021. doi.org/10.1250/ast.42.226
  39. Masaaki Omura, Michio Takeuchi, Ryo Nagaoka, and Hideyuki Hasegawa, "A study on understanding the physical mechanism of change in ultrasonic envelope statistical property during temperature elevation," Medical Physics, vol. 48, no. 6. pp. 3042-3054, June 2021. doi.org/10.1002/mp.14890
  40. Hongpeng Wang, Shangce Gao, Michiya Mozumi, Masaaki Omura, Ryo Nagaoka, and Hideyuki Hasegawa, "Preliminary investigation on clutter filtering based on deep learning," Japanese Journal of Applied Physics, vol. 60, no. SD, pp. SDDE21-1-6, May 2021. doi.org/10.35848/1347-4065/abf39d
  41. Ryo Nagaoka, Shin Yoshizawa, Shin-ichiro Umemura, and Hideyuki Hasegawa, "Effects from correction of speed of sound in transmit and receive beamforming using focus beam," Japanese Journal of Applied Physics, vol. 60, no. SD, pp. SDDE19-1-12, April 2021. doi.org/10.35848/1347-4065/abf55b
  42. Hideyuki Hasegawa, Michiya Mozumi, Masaaki Omura, and Ryo Nagaoka, "Improvement of spatial resolution of medical ultrasound images by constrained least-square method," Japanese Journal of Applied Physics, vol. 60, no. SD, pp. SDDE16-1-11, April 2021. doi.org/10.35848/1347-4065/abf3a1
  43. Kazunori Nagata, Ryo Nagaoka, Jens E. Wilhjelm, and Hideyuki Hasegawa, "Study on estimation of surface roughness by separation of reflection and backscattering components using ultrasonic synthetic aperture imaging," Japanese Journal of Applied Physics, vol. 60, no. SD, pp. SDDE09-1-7, April 2021. doi.org/10.35848/1347-4065/abf2a4
  44. Michiya Mozumi, Masaaki Omura, Ryo Nagaoka, Magnus Cinthio, and Hideyuki Hasegawa, "Impact of spacing of ultrasound receiving beams on estimation of 2D motion velocity," Japanese Journal of Applied Physics, vol. 60, no. SD, pp. SDDE07-1-7, April 2021. doi.org/10.35848/1347-4065/abeac0
  45. Yoshiaki Tabuchi, Hideyuki Hasegawa, Nobuo Suzuki, Yukihiro Furusawa, Tetsushi Hirano, Ryo Nagaoka, Jun Hirayama, Nobuhiko Hoshi, and Takashi Mochizuki, "Genetic response to low-intensity ultrasound on mouse ST2 bone marrow stromal cells," Molecular Medicine Reports, vol. 23, no. 3, article no. 173-1-12, March 2021. doi.org/10.3892/mmr.2020.11812
  46. Kazuma Ishikawa, Michiya Mozumi, Masaaki Omura, Ryo Nagaoka, and Hideyuki Hasegawa, "Evaluation of accuracy of phase-sensitive method in estimation of axial motion and deformation with fluid-structure interaction analysis," Japanese Journal of Applied Physics, vol. 60, no. SD, pp. SDDE01-1-3, February 2021. doi.org/10.35848/1347-4065/abe5be
  47. Hideyuki Hasegawa, Ryo Nagaoka, Masaaki Omura, Michiya Mozumi, and Kozue Saito, "Investigation of feasibility of singular value decomposition clutter filter in plane wave imaging with packet transmission sequence," Journal of Medical Ultrasonics, vol. 48, no. 1, pp. 13-20, February 2021. doi.org/10.1007/s10396-020-01067-x
  48. Ryo Nagaoka, Jens E. Wilhjelm, and Hideyuki Hasegawa, "Preliminary study on the separation of specular reflection and backscattering components using synthetic aperture beamforming," Journal of Medical Ultrasonics, vol. 47, no. 4, pp. 493-500, November 2020. doi.org/10.1007/s10396-020-01038-2
  49. Shusaku Kobori, Jun Murotsuki, Shimpei Watanabe, Hideyuki Hasegawa, Hiroshi Kanai, Nobuo Yaegashi, and Masatoshi Saito, "Feasibility of non-invasive pulse pressure measurement using the phased-tracking method," Ultrasound in Medicine and Biology, vol. 46, no. 10. pp. 2711-2716, October 2020. doi.org/10.1016/j.ultrasmedbio.2020.06.019
  50. Jin Muromoto, Jun Murotsuki, Susumu Miyashita, Hideyuki Hasegawa, Hirofumi Taki, Hiroshi Kanai, and Nobuo Yaegashi, "Ultrasound measurement of fetal arterial pulse pressure using phased-tracking methods: a phantom study and clinical experience with antenatal corticosteroid therapy," Journal of Obstetrics and Gynaecology Research, vol. 46, no. 10, pp. 1994-2001, October 2020. doi.org/10.1111/jog.14402
  51. Michio Takeuchi, Toshihiko Sakai, Gabor Andocs, Keizo Takao, Ryo Nagaoka, and Hideyuki Hasegawa, "Temperature elevation in tissue detected in vivo based on statistical analysis of ultrasonic scattered echoes," Scientific Reports, vol. 10, pp. 9030-1-11, June 2020. doi.org/10.1038/s41598-020-65562-4
  52. Michiya Mozumi, Ryo Nagaoka, Magnus Cinthio, and Hideyuki Hasegawa, "Anti-aliasing method for ultrasonic 2D phase-sensitive motion estimator," Japanese Journal of Applied Physics, vol. 59, no. SK, pp. SKKE20-1-SKKE20-7, June 2020. doi.org/10.35848/1347-4065/ab8c9a (selected as a "spotlight" paper)
  53. Fumitada Sannou, Ryo Nagaoka, and Hideyuki Hasegawa, "Estimation of speed of sound using coherence factor and signal-to-noise ratio for improvement of performance of ultrasonic beamformer," Japanese Journal of Applied Physics, vol. 59, no. SK, pp. SKKE14-1-SKKE14-10, June 2020. doi.org/10.35848/1347-4065/ab7fe7
  54. Ryo Nagaoka, Kazuma Ishikawa, Michiya Mozumi, Magnus Cinthio, and Hideyuki Hasegawa, "Basic study on estimation method of wall shear stress in common carotid artery using blood flow imaging," Japanese Journal of Applied Physics, vol. 59, no. SK, pp. SKKE16-1-SKKE16-7, June 2020. doi.org/10.35848/1347-4065/ab87f2
  55. Hideyuki Hasegawa and Ryo Nagaoka, "Improvement of performance of minimum variance beamformer by introducing cross covariance estimate," Journal of Medical Ultrasonics, vol. 47, no. 2, pp. 203-210, April 2020. doi.org/10.1007/s10396-020-01009-7
  56. Yoshiaki Tabuchi, Hideyuki Hasegawa, Nobuo Suzuki, Yukihiro Furusawa, Tetsushi Hirano, Ryo Nagaoka, Shin-ichi Takeuchi, Michihisa Shiiba, and Takashi Mochizuki, "Low-intensity pulsed ultrasound promotes the expression of immediate early genes in mouse ST2 bone marrow stromal cells," Journal of Medical Ultrasonics, vol. 47, no. 2, pp. 193-201, April 2020. doi.org/10.1007/s10396-020-01007-9
  57. Ryo Nagaoka and Hideyuki Hasegawa, "Modified high-resolution wavenumber analysis for detection of pulse wave velocity using coefficient of variation of arterial wall acceleration waveforms," Journal of Medical Ultrasonics, vol. 47, no. 2, pp. 167-177, April 2020. doi.org/10.1007/s10396-019-00998-4
  58. Hideyuki Hasegawa and Ryo Nagaoka, "Temporal averaging introduced in linear regression beamforming for improvement of contrast-to-noise ratio," Japanese Journal of Applied Physics, vol. 59, no. SK, pp. SKKE12-1-SKKE12-3, April 2020. doi.org/10.35848/1347-4065/ab867e
  59. Kazuma Ando, Ryo Nagaoka, and Hideyuki Hasegawa, "Speckle reduction of medical ultrasound images using deep learning with fully convolutional network," Japanese Journal of Applied Physics, vol. 59, no. SK, pp. SKKE06-1-SKKE06-4, April 2020. doi.org/10.35848/1347-4065/ab80a5
  60. Nariaki Miyao, Keiichi Hirono, Yukiko Hata, Hironori Izumi, Ryo Nagaoka, Ichiro Takasaki, Shinya Takarada, Mako Okabe, Hideyuki Nakaoka, Keijiro Ibuki, Sayaka Ozawa, Tomoyuki Yoshida, Hideyuki Hasegawa, Naoki Nishida, Hisashi Mori, and Fukiko Ichida, "TBX5 variant located in the non T-box domain may induce chronic heart failure mimicking dilated cardiomyopathy," PLOS ONE, vol. 15, no. 4, pp. e0227393-1-19, April 2020. doi.org/10.1371/journal.pone.0227393
  61. Soichiro Nunome, Ryo Nagaoka, and Hideyuki Hasegawa, "Accuracy evaluation of 3D velocity estimation by multi-frequency phase-sensitive motion estimator under various specifications of matrix array probe," Japanese Journal of Applied Physics, vol. 59, no. SK, pp. SKKE01-1-SKKE01-6, March 2020. doi.org/10.35848/1347-4065/ab78e7
  62. Masaaki Omura, Hideyuki Hasegawa, Ryo Nagaoka, Kenji Yoshida, and Tadashi Yamaguchi, "Validation of differences in backscatter coefficients among four ultrasound scanners with different beamforming methods," Journal of Medical Ultrasonics, vol. 47, no. 1, pp. 35-46, January 2020. doi.org/10.1007/s10396-019-00984-w
  63. Hideyuki Hasegawa and Ryo Nagaoka, "Converting coherence to signal-to-noise ratio for enhancement of adaptive ultrasound imaging," Ultrasonic Imaging, vol. 42, no. 1, pp. 27-40, 2020. doi.org/10.1177/0161734619889384
  64. Ryo Nagaoka, Kazuto Kobayashi, Mototaka Arakawa, Hideyuki Hasegawa, and Yoshifumi Saijo, "Correction of phase rotation in pulse spectrum method for scanning acoustic microscopy and its application to measurement of cells," Ultrasonics, vol. 99, pp. 105949-1-12, November 2019. doi.org/10.1016/j.ultras.2019.105949
  65. Hideyuki Hasegawa and Ryo Nagaoka, "Initial phantom study on estimation of speed of sound in medium using coherence among received echo signals," Journal of Medical Ultrasonics, vol. 46, no. 3, pp. 297-307, July 2019. doi.org/10.1007/s10396-019-00936-4
  66. Michiya Mozumi, Ryo Nagaoka and Hideyuki Hasegawa, "Utilization of singular value decomposition in high-frame-rate cardiac blood flow imaging," Japanese Journal of Applied Physics, vol. 58, no. SG, pp. SGGE02-1-SGGE02-8, July 2019. doi.org/10.7567/1347-4065/ab1131
  67. Hideyuki Hasegawa and Ryo Nagaoka, "Singular value decomposition filter for speckle reduction in adaptive ultrasound imaging," Japanese Journal of Applied Physics, vol. 58, no. SG, pp. SGGE06-1-SGGE06-9, July 2019. doi.org/10.7567/1347-4065/ab0ad6
  68. Michio Takeuchi, Yuta Matsui, Toshihiko Sakai, Gabor Andocs, Ryo Nagaoka, and Hideyuki Hasegawa, "Investigation of initial value dependence in the statistical analysis of ultrasonic scattered echoes for the non-invasive estimation of temperature distribution in biological tissue," Japanese Journal of Applied Physics, vol. 58, no. SG, pp. SGGE09-1-SGGE09-13, July 2019. doi.org/10.7567/1347-4065/ab0ba8
  69. Ryo Nagaoka, Michiya Mozumi, and Hideyuki Hasegawa, "Investigation of the estimation accuracy of two-step block matching methods using envelope and RF signals for two-dimensional blood flow vector imaging," Japanese Journal of Applied Physics, vol. 58, no. SG, pp. SGGE10-1-SGGE10-11, July 2019. doi.org/10.7567/1347-4065/ab0ffa
  70. Akira Miyajo, Ryo Nagaoka, and Hideyuki Hasegawa, "Comparison of ultrasonic motion estimators for vascular applications," Japanese Journal of Applied Physics, vol. 58, no. SG, pp. SGGE16-1-SGGE16-7, July 2019. doi.org/10.7567/1347-4065/ab19b5
  71. Ryo Nagaoka and Hideyuki Hasegawa, "Identification of vascular lumen by singular value decomposition filtering on blood flow velocity distribution," Journal of Medical Ultrasonics, vol. 46, no. 2, pp. 187-194, April 2019. doi.org/10.1007/s10396-019-00928-4
  72. Michiya Mozumi, Ryo Nagaoka, and Hideyuki Hasegawa, "Improvement of high range resolution imaging method by considering change in ultrasonic waveform during propagation," Japanese Journal of Applied Physics, vol. 57, no. 7S1, pp. 07LF23-1-07LF23-4, July 2018. doi.org/10.7567/JJAP.57.07LF23
  73. Michio Takeuchi, Yuta Matsui, Tatsuro Doi, Yoshiyuki Takano, Gabor Andocs, and Hideyuki Hasegawa, "Measurement of internal temperature in biological tissue specimen with deformation by statistical analysis of ultrasonic scattered echoes," Japanese Journal of Applied Physics, vol. 57, no. 7S1, pp. 07LB17-1-07LB17-8, July 2018. doi.org/10.7567/JJAP.57.07LB17
  74. Akira Miyajo and Hideyuki Hasegawa, "Comparison of method using phase-sensitive motion estimator with speckle tracking method and application to measurement of arterial wall motion," Japanese Journal of Applied Physics, vol. 57, no. 7S1, pp. 07LF11-1-07LF11-8, July 2018. doi.org/10.7567/JJAP.57.07LF11
  75. Masato Minagawa, Hideyuki Hasegawa, Tadashi Yamaguchi, and Shin-ichi Yagi, "Measurement of shear wave propagation speed by estimation of two dimensional wavenumbers using phase of particle velocity," Japanese Journal of Applied Physics, vol. 57, no. 7S1, pp. 07LF07-1-07LF07-4, July 2018. doi.org/10.7567/JJAP.57.07LF07
  76. Kaori Kaburaki, Michiya Mozumi, and Hideyuki Hasegawa, "Estimation of two-dimensional motion velocity using ultrasonic signals beamformed in Cartesian coordinate for measurement of cardiac dynamics," Japanese Journal of Applied Physics, vol. 57, no. 7S1, pp. 07LF03-1-07LF03-6, July 2018. doi.org/10.7567/JJAP.57.07LF03
  77. Hideyuki Hasegawa, "Analysis of arterial wall motion for measurement of regional pulse wave velocity," Japanese Journal of Applied Physics, vol. 57, no 7S1, pp. 07LF01-1-07LF01-5, July 2018. doi.org/10.7567/JJAP.57.07LF01
  78. Ryo Nagaoka, Shin Yoshizawa, Shin-Ichiro Umemura, and Yoshifumi Saijo, "Basic study on improvement of axial resolution and suppression of time side lobe by phase-corrected Wiener filtering in photoacoustic tomography," Japanese Journal of Applied Physics, vol. 57, no 7S1, pp. 07LD11-1-07LD11-7, July 2018. doi.org/10.7567/JJAP.57.07LD11
  79. Ryosuke Iwasaki, Ryo Nagaoka, Shin Yoshizawa, and Shin-Ichiro Umemura, "Selective detection of cavitation bubbles by triplet pulse sequence in high-intensity focused ultrasound treatment," Japanese Journal of Applied Physics, vol. 57, no. 7S1, pp. 07LF12-1-07LF12-6, July 2018. doi.org/10.7567/JJAP.57.07LF12.
  80. Moe Maeda, Ryo Nagaoka, Hayato Ikeda, Sou Yaegashi, and Yoshifumi Saijo, "Deduction of two-dimensional blood flow vector by dual angle diverging waves from a cardiac sector probe," Japanese Journal of Applied Physics, vol. 57, no 7S1, pp. 07LF02-1-07LF02-6, July 2018. doi.org/10.7567/JJAP.57.07LF02
  81. Hayato Ikeda, Ryo Nagaoka, Maxime Lafond, Shin Yoshizawa, Ryosuke Iwasaki, Moe Maeda, Shin-Ichiro Umemura, and Yoshifumi Saijo, "Singular value decomposition of received ultrasound signal for separation among tissue, blood flow and cavitation signals," Japanese Journal of Applied Physics, vol. 57, no 7S1, pp. 07LF04-1-07LF04-6, July 2018. doi.org/10.7567/JJAP.57.07LF04
  82. Mototaka Arakawa, Shohei Mori, Hiroshi Kanai, Ryo Nagaoka, Miki Horie, Kazuto Kobayashi, and Yoshifumi Saijo, "Robust analysis method for acoustic properties of biological specimens measured by acoustic microscopy," Japanese Journal of Applied Physics, vol. 57, no 7S1, pp. 07LB07-1-07LB07-7, July 2018. doi.org/10.7567/JJAP.57.07LB07
  83. Syahril Siregar, Ryo Nagaoka, Israr Ul Haq, and Yoshifumi Saijo, "Non local means denoising in photoacoustic imaging," Japanese Journal of Applied Physics, vol. 57, no 7S1, pp. 07LB06-1-07LB06-7, July 2018. doi.org/10.7567/JJAP.57.07LB06
  84. Ryo Nagaoka, Takuya Tabata, Shin Yoshizawa, Shin-Ichiro Umemura, and Yoshifumi Saijo, "Visualization of murine lymph vessels using photoacoustic imaging with contrast agents," Photoacoustics, vol. 9, pp. 39-48, 2018. doi.org/10.1016/j.pacs.2018.01.001 (selected as a highlighted article)
  85. John Albinsson, Hideyuki Hasegawa, Hiroki Takahashi, Enrico Boni, Alessandro Ramalli, Åsa Rydén Ahlgren, and Magnus Cinthio, "Iterative 2D tissue motion tracking in ultrafast ultrasound imaging," Applied Sciences, vol. 8, no. 5, pp. 662-1-16, May 2018. doi:10.3390/app8050662
  86. Rei Kaneko, Shojiro Sawada, Ai Tokita, Rieko Honkura, Noriko Tamura, Shinjiro Kodama, Tomohito Izumi, Kei Takahashi, Kenji Uno, Junta Imai, Tetsuya Yamada, Yukiya Miyachi, Hideyuki Hasegawa, Hiroshi Kanai, Yasushi Ishigaki, and Hideki Katagiri, "Serum cystatin C level is associated with carotid arterial wall elasticity in subjects with type 2 diabetes mellitus: A potential marker of early-stage atherosclerosis," Diabetes Research and Clinical Practice, vol. 139, pp. 43-51, February 2018. doi.org/10.1016/j.diabres.2018.02.003
  87. Michiya Mozumi and Hideyuki Hasegawa, "Adaptive beamformer combined with phase coherence weighting applied to ultrafast ultrasound," Applied Sciences, vol. 8, no. 2, pp. 204-1-13, February 2018. doi:10.3390/app8020204
  88. Mototaka Arakawa, Hiroshi Kanai, Kazuo Ishikawa, Ryo Nagaoka, Kazuto Kobayashi, Yoshifumi Saijo, "A method for the design of ultrasonic devices for scanning acoustic microscopy using impulsive signals," Ultrasonics, No. 84, pp. 172-179, 2018. doi.org/10.1016/j.ultras.2017.10.023
  89. Hiroki Fujita and Hideyuki Hasegawa, "Effect of frequency characteristic of excitation pulse on lateral spatial resolution in coded ultrasound imaging," Japanese Journal of Applied Physics, vol. 56, no. 7S1, pp. 07JF16-1-07JF16-8, June 2017. 10.7567/JJAP.56.07JF16
  90. Hideyuki Hasegawa, "Improvement of range spatial resolution of medical ultrasound imaging by element-domain signal processing," Japanese Journal of Applied Physics, vol. 56, no. 7S1, pp. 07JF02-1-07JF02-6, June 2017. 10.7567/JJAP.56.07JF02 (selected as a "spotlight" paper)
  91. Hideyuki Hasegawa, "Apodized adaptive beamformer," Journal of Medical Ultrasonics, vol. 44, no. 2, pp. 155-165, April 2017. 10.1007/s10396-016-0764-3
  92. Motonao Tanaka, Tsuguya Sakamoto, Shigeo Sugawara, Yoshiaki Katahira, Kaoru Hasegawa, Hiroyuki Nakajima, Takafumi Kurokawa, Hiroshi Kanai, and Hideyuki Hasegawa, "Deformability of the pulsating left ventricular wall: A new aspect elucidated by high resolution ultrasonic methods," Journal of Cardiology, vol. 69, no. 2, pp. 462-470, February 2017. 10.1016/j.jjcc.2016.02.009
  93. Hideyuki Hasegawa, "Improvement of penetration of modified amplitude and phase estimation beamformer," Journal of Medical Ultrasonics, vol. 44, no. 1, pp. 3-11, January 2017. 10.1007/s10396-016-0731-z
  94. Ryo Nagaoka, Takuya Tabata, Ryo Takagi, Shin Yoshizawa, Shin-Ichiro Umemura, and Yoshifumi Saijo, "Development of real-time 3-D photoacoustic imaging system employing spherically curved array transducer," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 64, pp. 1223-1233, 2017. doi:10.1109/TUFFC.2017.2718030
  95. Israr Ul Haq, Ryo Nagaoka, Syahril Siregar, and Yoshifumi Saijo, "Sparse-representation-based denoising of photoacoustic images," Biomedical Physics & Engineering Express, vol. 3, no. 4, 045014, 2017. doi:10.1088/2057-1976/aa7a44
  96. Yasuharu Shinoda, Hideaki Tagashira, Shenuarin Bhuiyan, Hideyuki Hasegawa, Hiroshi Kanai, Chen Zhang, Feng Han, and Kohji Fukunaga, "Corticosteroids mediate heart failure-induced depression through reduced σ1-receptor expression," PLoS ONE, vol. 11, no. 10, pp. 1-19, October 2016. 10.1371/journal.pone.0163992
  97. Yasuharu Shinoda, Hideaki Tagashira, Md Shenuarin Bhuiyan, Hideyuki Hasegawa, Hiroshi Kanai, Kohji Fukunaga, "Haloperidol aggravates transverse aortic constriction-induced heart failure via mitochondrial dysfunction," Journal of Pharmacological Sciences, vol. 131, no. 3, pp. 172-183, July 2016.
  98. Rimujo Hendradi, Achmad Arifin, Hiro Shida, Suhendar Gunawan, Mauridhi Hery Purnomo, Hideyuki Hasegawa, and Hiroshi Kanai, "Analysis and methods to test classfication of normal and pathological heart sound signals," Journal of Theoretical and Applied Information Technology, vol. 90, No. 1, pp. 222-236, 15th August 2016. http://www.jatit.org/volumes/ninety1.php
  99. Yasuharu Shinoda, Hideaki Tagashira, Md Shenuarin Bhuiyan, Hideyuki Hasegawa, Hiroshi Kanai, and Kohji Fukunaga, "Haloperidol aggravates transverse aortic constriction-induced heart failure via mitochondrial dysfunction," Journal of Pharmacological Sciences, vol. 131, no. 3, pp. 172-183, July 2016.
  100. Hideyuki Hasegawa and Chris L. de Korte, "Impact of element pitch on synthetic aperture ultrasound imaging," Journal of Medical Ultrasonics, vol. 43, no. 3, pp. 317-325, July 2016. 10.1007/s10396-016-0700-6
  101. Hideyuki Hasegawa, Masakazu Sato, and Takasuke Irie, "High resolution wavenumber analysis for investigation of arterial pulse wave propagation," Japanese Journal of Applied Physics, vol. 55, no. 7S1, pp. 07KF01-1-7, July 2016. http://dx.doi.org/10.7567/JJAP.55.07KF01
  102. Hideyuki Hasegawa, "Phase-sensitive 2D motion estimators using frequency spectra of ultrasonic echoes," Applied Sciences, vol. 6, no. 7, pp. 195-1-19, June 30, 2016. 10.3390/app6070195
  103. 宮下　進, 室月　淳, 室本　仁, 小澤克典, 長谷川英之, 金井　浩, "位相差トラッキング法," 超音波医学, vol. 43, no. 3, pp. 483-490, May 2016. 10.3179/jjmu.JJMU.R.63
  104. 長谷川英之, "ドプラ法の原理と応用," 超音波医学, vol. 43, no. 3, pp. 411-415, May 2016. 10.3179/jjmu. JJMU.R.81
  105. Tomohiko Shindo, Kenta Ito, Tsuyoshi Ogata, Kazuaki Hatanaka, Ryo Kurosawa, Kumiko Eguchi, Yuta Kagaya, Kenichiro Hanawa, Kentaro Aizawa, Takashi Shiroto, Sachie Kasukabe, Satoshi Miyata, Hirofumi Taki, Hideyuki Hasegawa, Hiroshi Kanai, and Hiroaki Shimokawa, "Low-intensity pulsed ultrasound enhances angiogenesis and ameliorates left ventricular dysfunction in a mouse model of acute myocardial infarction," Arteriosclerosis, Thrombosis, and Vascular Biology, vol. 36, no. 6, pp. 1220-1229, April 2016. 10.1161/ATVBAHA.115.306477
  106. R. Hendradi, A. Arifin, H. Shida, S. Gunawan, M. H. Purnomo, H. Hasegawa, and H. Kanai, "Signal processing and extensive characterization method of heart sounds based on wavelet analysis," International Review of Electrical Engineering, vol. 11, no. 1, pp. 55-68, January 2016. 10.15866/iree.v11i1.8138
  107. Hideyuki Hasegawa, "Enhancing effect of phase coherence factor for improvement of spatial resolution in ultrasonic imaging," Journal of Medical Ultrasonics, vol. 43, no. 1, pp. 19-27, January 2016. 10.1007/s10396-015-0673-x (和訳版: 長谷川英之, "超音波画像の高分解能化のための位相コヒーレンス因子の効果の増強," 超音波医学, vol 45, no. 1, pp. 47-55, 2018)
  108. Syahril Siregar, Israr Ul Haq, Ryo Nagaoka, Yoshifumi Saijo, "Application of single walled carbon nanotubes for heating agent in photothermal therapy," Medical Physics, pp. 1-12, January 2016. arxiv.org/abs/1611.08094
  109. Ryosuke Iwasaki, Ryo Takagi, Ryo Nagaoka, Hayato Jimbo, Shin Yoshizawa, Yoshifumi Saijo, and Shin-Ichiro Umemura, "Monitoring of high-intensity focused ultrasound treatment by shear wave elastography induced by two-dimensional-array therapeutic transducer," Japanese Journal of Applied Physics, vol. 55, no 7S1, 07KF05, 2016. doi.org/10.7567/JJAP.55.07KF05
  110. Katsusuke Ozawa, Jun Murotsuki, Susumu Miyashita, Jin Muromoto, Hideyuki Hasegawa, Hiroshi Kanai, and Nobuo Yaegashi, "Assessing fetal cardiac function by measuring myocardial radial velocity using the phased-tracking method," Fetal Diagnosis and Therapy, vol. 38, no. 2, pp. 126-134, August 2015. 10.1159/000371514
  111. Hiroki Takahashi, Hideyuki Hasegawa, and Hiroshi Kanai, "Temporal averaging of two-dimensional correlation functions for velocity vector imaging of cardiac blood flow," Journal of Medical Ultrasonics, vol. 42, no. 3, pp. 323-330, July 2015.
  112. Hiroki Takahashi, Hideyuki Hasegawa, and Hiroshi Kanai, "Echo motion imaging with adaptive clutter filter for assessment of cardiac blood flow," Japanese Journal of Applied Physics, vol. 54, no. 7, pp. 07HF09-1-8, June 2015.
  113. Takuma Oguri, Kazuki Tamura, Kenji Yoshida, Jonathan Mamou, Hideyuki Hasegawa, Hitoshi Maruyama, Hiroyuki Hachiya, and Tadashi Yamaguchi, "Estimation of scatterer size and acoustic concentration in sound field produced by linear phased array transducer," Japanese Journal of Applied Physics, vol. 54, no. 7, pp. 07HF014-1-5, June 2015.
  114. Yukiya Miyachi, Hideyuki Hasegawa, and Hiroshi Kanai, "Automated detection of arterial wall boundaries based on correlation between adjacent receive scan lines for elasticity imaging," Japanese Journal of Applied Physics, vol. 54, no. 7, pp. 07HF18-1-11, June 2015.
  115. Susumu Miyashita, Jun Murotsuki, Jin Muromoto, Katsusuke Ozawa, Nobuo Yaegashi, Hideyuki Hasegawa, and Hiroshi Kanai, "Measurement of internal diameter changes and pulse wave velocity in fetal descending aorta using the ultrasonic phased-tracking method in normal and growth-restricted fetuses," Ultrasound in Medicine and Biology, vol. 41, no. 5, pp. 1311-1319, May 2015.
  116. Hideyuki Hasegawa and Hiroshi Kanai, "Effect of element directivity on adaptive beamforming applied to high-frame-rate ultrasound," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 62, no. 3, pp. 511-523, 2015. (Editor's Selection of Articles in IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control - February 2016 edition)
  117. Hideyuki Hasegawa and Hiroshi Kanai, "Effect of sub-aperture beamforming on phase coherence imaging," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 61, no. 11, pp. 1779-1790, 2014. (Front cover page of the November issue in 2014, Editor's Selection of Articles in IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control - December 2014 edition)
  118. Mototaka Arakawa, Joe Shikama, Koki Yoshida, Ryo Nagaoka, Kazuto Kobayashi, and Yoshifumi Saijo, "Development of an ultrasound microscope combined with optical microscope for multiparametric characterization of a single cell," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 62, No. 9, pp. 1615-1622, 2015. doi:10.1109/TUFFC.2014.006865
  119. Ryo Nagaoka, Ryosuke Iwasaki, Mototaka Arakawa, Kazuto Kobayashi, Shin Yoshizawa, Shin-Ichiro Umemura, and Yoshifumi Saijo, "Basic study of intrinsic elastography: Relationship between tissue stiffness and propagation velocity of deformation induced by pulsatile flow," Japanese Journal of Applied Physics, vol. 54, no 7S1, 07HF08, 2015. doi.org/10.7567/JJAP.54.07HF08
  120. Ryosuke Iwasaki, Ryo Nagaoka, Ryo Takagi, Kota Goto, Shin Yoshizawa, Yoshifumi Saijo, and Shin-Ichiro Umemura, "Effects of cavitation-enhanced heating in high-intensity focused ultrasound treatment on shear wave imaging," Japanese Journal of Applied Physics, vol. 54, no 7S1, 07HF11, 2015. doi.org/10.7567/JJAP.54.07HF11
  121. Ryo Nagaoka, Genta Masuno, Kazuto Kobayashi, Shin Yoshizawa, Shin-Ichiro Umemura, and Yoshifumi Saijo, "Measurement of regional pulse-wave velocity using spatial compound imaging of the common carotid artery in vivo," Ultrasonics, No. 55, pp. 92-103, 2015. doi.org/10.1016/j.ultras.2014.07.018
  122. Yoshifumi Nagai, Magnus Cinthio, Hideyuki Hasegawa, Martin Bengtsson, Mikael Evander, John Albinsson, and Hiroshi Kanai, "In vitro experiment using porcine artery for evaluation of ultrasonic measurement of arterial luminal surface profile," Journal of Medical Ultrasonics, vol. 41, no. 4, pp. 431-437, 2014.
  123. Kenichiro Hanawa, Kenta Ito, Kentaro Aizawa, Tomohiko Shindo, Kensuke Nishimiya, Yuhi Hasebe, Ryuji Tuburaya, Hideyuki Hasegawa, Satoshi Yasuda, Hiroshi Kanai, and Hiroaki Shimokawa, "Low-intensity pulsed ultrasound induces angiogenesis and ameliorates left ventricular dysfunction in a porcine model of chronic myocardial ischemia," PLoS ONE, vol. 9, pp. e104863-1-11, 2014.
  124. Hideyuki Hasegawa and Hiroshi Kanai, "Comparison of spatial resolutions of parallel beamforming and diffraction tomography in high frame rate echocardiography," Japanese Journal of Applied Physics, vol. 53, pp. 07KF02-1-07KF02-3, 2014.
  125. Hiroki Takahashi, Hideyuki Hasegawa, and Hiroshi Kanai, "Echo speckle imaging of blood particles with high-frame-rate echocardiography," Japanese Journal of Applied Physics, vol. 53, pp. 07KF08-1-07KF08-7, 2014.
  126. Yuta Fujita, Hideaki Tagashira, Hideyuki Hasegawa, Kohji Fukunaga, and Hiroshi Kanai, "Ultrasonic visualization of propagation of myocardial vibration driven by electrical excitation of myocardium of rat in ex vivo experiment," Japanese Journal of Applied Physics, vol. 53, pp. 07KF25-1-07KF25-7, 2014.
  127. Yoshifumi Nagai, Hideyuki Hasegawa, and Hiroshi Kanai, "Improvement of accuracy in ultrasonic measurement of luminal surface roughness of carotid arterial wall by deconvolution filtering," Japanese Journal of Applied Physics, vol. 53, pp. 07KF19-1-07KF19-9, 2014.
  128. Kohei Nakahara, Hideyuki Hasegawa, and Hiroshi Kanai, "Optimization of feature extraction for automated identification of heart wall regions in different cross sections," Japanese Journal of Applied Physics, vol. 53, pp. 07KF09-1-07KF09-9, 2014.
  129. Mitsuki Sato, Hideyuki Hasegawa, and Hiroshi Kanai, "Correction of change in propagation time delay of pulse wave during flow-mediated dilation in ultrasonic measurement of arterial wall viscoelasticity," Japanese Journal of Applied Physics, vol. 53, pp. 07KF03-1-07KF03-6, 2014.
  130. Kaori Tachi, Hideyuki Hasegawa, and Hiroshi Kanai, "Measurement of shear viscoelasticity by continuous-wave ultrasound using dual acoustic radiation pressure," Japanese Journal of Applied Physics, vol. 53, pp. 07KF17-1-07KF17-6, 2014.
  131. Dai Asari, Hideyuki Hasegawa, and Hiroshi Kanai, "Improvement of myocardial displacement estimation using subkernels for cross correlation between ultrasonic RF echoes," Japanese Journal of Applied Physics, vol. 53, pp. 07KF21-1-07KF21-7, 2014.
  132. Motonao Tanaka, Tsuguya Sakamoto, Shigeo Sugawara, Yoshiaki Katahira, Haruna Tabuchi, Hiroyuki Nakajima, Takafumi Kurokawa, Hiroshi Kanai, Hideyuki Hasegawa, and Shigeo Ohtsuki, "A new concept of the contraction-extension property of the leftventricular myocardium," Journal of Cardiology, vol. 63, no. 4, pp. 313-319, April 2014.
  133. Hideyuki Hasegawa and Hiroshi Kanai, "Expanding aliasing limit in measurement of tissue velocity using autocorrelation method," Journal of Medical Ultrasonics, vol. 41, no. 2, pp. 151-153, 2014.
  134. Hiroki Takahashi, Hideyuki Hasegawa, and Hiroshi Kanai, "Improvement of automated identification of the heart wall in echocardiography by suppressing clutter component," Japanese Journal of Applied Physics, vol. 52, pp. 07HF017-1-07HF017-7, 2013.
  135. Sho Kageyama, Hideyuki Hasegawa, and Hiroshi Kanai, "Increasing bandwidth of ultrasound radio frequency echoes using Wiener filter for improvement of accuracy in measurement of intima-media thickness," Japanese Journal Applied Physics, vol. 52, pp. 07HF04-1-07HF04-7, 2013.
  136. Nabilah Ibrahim, Hideyuki Hasegawa, and Hiroshi Kanai, "Detection of arterial wall boundaries using an echo model composed of multiple ultrasonic pulses," Japanese Journal of Applied Physics, vol. 52, pp. 07HF03-1-07HF03-10, 2013.
  137. Hideaki Tagashira, Chen Zhang, Ying-mei Lu, Hideyuki Hasegawa, Hiroshi Kanai, Feng Han, Kohji Fukunaga, "Stimulation of σ1-receptor restores abnormal mitochondrial Ca2+ mobilization and ATP production following cardiac hypertrophy," Biochimica et Biophysica Acta, vol. 1830, pp. 3082-3094, 2013.
  138. Akinlolu Ponnle, Hideyuki Hasegawa, and Hiroshi Kanai, "Suppression of grating lobe artifacts in ultrasound images formed from diverging transmitting beams by modulation of receiving beams," Ultrasound in Medicine and Biology, vol. 39, pp. 681-691, 2013.
  139. Michiaki Miyamoto, Kazuhiko Kotani, Kenta Okada, Akihiko Ando, Hideyuki Hasegawa, Hiroshi Kanai, Shun Ishibashi, Toshiyuki Yamada, Nobuyuki Taniguchi, "Arterial wall elasticity measured using the phased tracking method and atherosclerotic risk factors in patients with type 2 diabetes, "Journal of Atherosclerosis and Thrombosis, vol. 20, no. 8, pp. 678-687, March 2013.
  140. Hideyuki Hasegawa, Kazue Hongo, and Hiroshi Kanai, "Measurement of regional pulse wave velocity using very high frame rate ultrasound," Journal of Medical Ultrasonics, vol. 40, no. 2, pp. 91-98, 2013.
  141. Ryo Nagaoka, Takuya Izumi, Yosuke Komatsu, Kazuto Kobayashi, and Yoshifumi Saijo, "Ultrasonic measurement of micro displacement induced by acoustic radiation force," Japanese Journal of Applied Physics, vol. 52, no 7S1, 07HF21, 2013. doi.org/10.7567/JJAP.52.07HF21
  142. Hideyuki Hasegawa and Hiroshi Kanai, "High frame rate echocardiography with reduced sidelobe level," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 59, pp. 2569-2575, November 2012.
  143. Jun Yamaguchi, Hideyuki Hasegawa, and Hiroshi Kanai, "Measurement of displacement and strain in biological tissue generated by ultrasound dual acoustic radiation force," Journal of Medical Ultrasonics, vol. 39, no. 4, pp. 279-281, 2012.
  144. Yasunori Honjo, Hideyuki Hasegawa, and Hiroshi Kanai, "Optimization of correlation kernel size for accurate estimation of myocardial contraction and relaxation," Japanese Journal of Applied Physics, vol. 51, pp. 07GF06-1-07GF06-12, 2012.
  145. Kazuki Ikeshita, Hideyuki Hasegawa, and Hiroshi Kanai, "Improvement in accuracy of ultrasonic measurement of transient change in viscoelasticity of radial arterial wall due to flow-mediated dilation by adaptive low-pass filtering," Japanese Journal of Applied Physics, vol. 51, pp. 07GF14-1-07GF14-7, 2012.
  146. Nabilah Ibrahim, Hideyuki Hasegawa, and Hiroshi Kanai, "Detection of boundaries of carotid arterial wall by analyzing ultrasonic RF signals," Japanese Journal of Applied Physics, vol. 51, pp. 07GF07-1-07GF07-8, 2012.
  147. Hiro Shida, Hideyuki Hasegawa, and Hiroshi Kanai, "Evaluation of rate of change in thickness of heart wall by measuring time variation of ultrasonic integrated backscatter during a cardiac cycle," Japanese Journal of Applied Physics, vol. 51, pp. 07GF05-1-07GF05-6, 2012.
  148. Kosuke Kitamura, Hideyuki Hasegawa, and Hiroshi Kanai, "Accurate estimation of carotid luminal surface roughness using ultrasonic radio-frequency echo," Japanese Journal of Applied Physics, vol. 51, pp. 07GF05-1-07GF05-10, 2012.
  149. Kazutoshi Kumagai, Hideyuki Koike, Ryo Nagaoka, Shingo Sakai, Kazuto Kobayashi, and Yoshifumi Saijo, "High-resolution ultrasound imaging of human skin in vivo by using three-dimensional ultrasound microscopy," Ultrasound in Medicine and Biology, vol. 38, no. 10, pp. 1833-1838, 2012. doi.org/10.1016/j.ultrasmedbio.2012.05.012
  150. 本庄泰徳，長谷川英之，金井　浩, "二次元収縮弛緩特性計測を目指した心筋運動の高フレームレート計測," 電子情報通信学会論文誌A, vol. J94-A, no. 11, pp. 826-835, 2011.
  151. Hiroki Takahashi, Hideyuki Hasegawa, and Hiroshi Kanai, "Automated identification of the heart wall throughout the entire cardiac cycle using optimal cardiac phase for extracted features," Japanese Journal of Applied Physics, vol. 50, pp. 07HF16-1-07HF16-9, 2011.
  152. Atsuhiro Suzuki, Hideyuki Hasegawa, and Hiroshi Kanai, "Estimation of the elevational distance between image planes by analysis of ultrasonic echoes from point scatterers," Japanese Journal of Applied Physics, vol. 50, pp. 07HF09-1-07HF09-7, 2011.
  153. Kazuki Ikeshita, Hideyuki Hasegawa, and Hiroshi Kanai, "Noninvasive measurement of transient change in viscoelasticity due to flow-mediated dilation using automated detection of arterial wall boundaries," Japanese Journal of Applied Physics, vol. 50, pp. 07HF08-1-07HF08-7, 2011.
  154. Akinlolu Ponnle, Hideyuki Hasegawa, and Hiroshi Kanai, "Multi element diverging beam from a linear array transducer for transverse cross sectional imaging of carotid artery: Simulations and phantom vessel validation," Japanese Journal of Applied Physics, vol. 50, pp. 07HF05-1-07HF05-10, 2011.
  155. Taku Fukushima, Hideyuki Hasegawa, and Hiroshi Kanai, "Estimation of scatterer diameter by normalized power spectrum of high-frequency ultrasonic RF echo for assessment of red blood cell aggregation," Japanese Journal of Applied Physics, vol. 50, pp. 07HF02-1-07HF02-8, 2011.
  156. Hideyuki Hasegawa and Hiroshi Kanai, "High-frame-rate echocardiography using diverging transmit beams and parallel receive beamforming," Journal of Medical Ultrasonics, vol. 38, no. 3, pp. 129-140, 2011. (和訳版: 長谷川英之, 金井　浩, "拡散ビーム送信と受信並列ビームフォーミングを用いた高フレームレート心臓超音波断層法," 超音波医学, vol 41, pp. 375-388, 2014).
  157. Magnus Cinthio, Hideyuki Hasegawa, and Hiroshi Kanai, "Initial phantom validation of minute roughness measurement using phase tracking for arterial wall diagnosis non-invasively in vivo," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 58, no. 4, pp. 853-857, 2011.
  158. Hideaki Tagashira, Shenuarin Bhuiyan, Norifumi Shioda, Hideyuki Hasegawa, Hiroshi Kanai, and Kohji Fukunaga, "σ1-receptor stimulation with fluvoxamine ameliorates transverse aortic constriction-induced myocardial hypertrophy and dysfunction in mice," American Journal of Physiology Heart and Circulatory Physiology, vol. 299, no. 5, pp. 1535-1545, November 2010.
  159. Tomotaka Sawada, Hideyuki Hasegawa, and Hiroshi Kanai, "Line-focus array transducers for effective actuation of tissue," Japanese Journal of Applied Physics, vol. 49, pp. 07HF10-1-07HF10-6, 2010.
  160. Yasunori Honjo, Hideyuki Hasegawa, and Hiroshi Kanai, "Two-dimensional tracking of heart wall for detailed analysis of heart function at high temporal and spatial resolutions," Japanese Journal of Applied Physics, vol. 49, pp. 07HF14-1-07HF14-9, 2010.
  161. Feng Han, Ying-Mei Lu, Hideyuki Hasegawa, Hiroshi Kanai, Erika Hachimura, Yasufumi Shirasaki, and Kohji Fukunaga, "Inhibition of dystrophin breakdown and endothelial nitric-oxide synthase uncoupling accounts for cytoprotection by 3-[2-[4-(3-Chloro-2-methylphenyl)-1-piperazinyl]ethyl]-5,6- dimethoxy-1-(4-imidazolylmethyl)-1H-indazole dihydrochloride 3.5 hydrate (DY-9760e) in left ventricular hypertrophied mice The Journal of Pharmacology and Experimental Therapeutics, vol. 332, pp. 421-428, 2010.
  162. Toshio Yamagishi, Makoto Kato, Yoshiro Koiwa, Hideyuki Hasegawa, and Hiroshi Kanai, "Impact of lifestyle-related diseases on carotid arterial wall elasticity as evaluated by an ultrasonic phased-tracking method in Japanese subjects," Journal of Atherosclerosis and Thrombosis, vol. 16, pp. 782-791, 2009.
  163. 高橋広樹, 長谷川英之, 金井　浩, "超音波RF 信号のコヒーレンスに基づく心臓壁領域同定," 超音波医学, vol. 36, pp. 679-681, 2009.
  164. Hideyuki Hasegawa and Hiroshi Kanai, "Phase-sensitive lateral motion estimator for measurement of artery-wall displacement -Phantom study-," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 56, pp. 2450-2462, 2009.
  165. Ai Tokita, Yasushi Ishigaki, Hisashi Okimoto, Hideyuki Hasegawa, Yoshiro Koiwa, Makoto Kato, Hisamitsu Ishihara, Yoshinori Hinokio, Hideki Katagiri, Hiroshi Kanai, and Yoshitomo Oka, "Carotid arterial elasticity is a sensitive atherosclerosis value reflecting sisceral fat accumulation in obese subjects," Atherosclerosis, Vol. 206, pp. 168-172, 2009.
  166. Toshio Yamagishi, Makoto Kato, Yoshiro Koiwa, Ken Omata, Hideyuki Hasegawa, and Hiroshi Kanai, "Evaluation of plaque stabilization by fluvastatin with carotid intima-medial elasticity measured by a transcutaneous ultrasonic-based tissue characterization system," Journal of Atherosclerosis and Thrombosis, vol. 16, pp. 662-673, 2009.
  167. Shuumarjav Uurtuya, Kazuhiko Kotani, Nobuyuki Taniguchi, Hiroaki Matsunaga, Hiroshi Kanai, Hideyuki Hasegawa, Kazuomi Kario, Shun Ishibashi, and Kouichi Itoh, "Relationship between upper limb peripheral artery stiffness using the radial artery and atherosclerotic parameters," Journal of Medical Ultrasonics, vol. 36, pp. 129-135, 2009.
  168. Nobutaka Saitoh, Hideyuki Hasegawa, and Hiroshi Kanai, "Estimation of scatterer's diameter using ultrasonic backscattering property for assessment of red blood cell aggregation," Japanese Journal of Applied Physics, vol. 48, pp. 07GJ08-1-07GJ08-5, 2009.
  169. Kazuki Ikeshita, Hideyuki Hasegawa, and Hiroshi Kanai, "Flow-mediated change in viscoelastic property of radial arterial wall measured by 22 MHz ultrasound," Japanese Journal of Applied Physics, vol. 48, pp. 07GJ10-1-07GJ10-5, 2009.
  170. Hideyuki Hasegawa, Michiko Matsuura, Hiroshi Sato, Teruko Yamamoto, and Hiroshi Kanai, "Imaging of gaps in digital joints by measurement of ultrasound transmission using a linear array," Ultrasound in Medicine and Biology, vol. 35, pp. 382-394, 2009.
  171. Hideyuki Hasegawa and Hiroshi Kanai, "Simultaneous imaging of artery-wall strain and blood flow by high frame rate acquisition of RF signals," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 55, pp. 2626-2639, 2008.
  172. Hideyuki Hasegawa and Hiroshi Kanai, "Reduction of influence of variation in center frequencies of RF echoes on estimation of artery-wall strain," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 55, pp. 1921-1934, 2008.
  173. Yoshitaka Odagiri, Hideyuki Hasegawa, and Hiroshi Kanai, "Ultrasonic measurement of strain distribution inside object cyclically compressed by dual acoustic radiation force," Japanese Journal of Applied Physics, vol. 47, pp. 4193-4199, 2008.
  174. Kentaro Tsuzuki, Hideyuki Hasegawa, Hiroshi Kanai, Masataka Ichiki, and Fumiaki Tezuka, "Threshold setting for likelihood function for elasticity-based tissue classification of arterial wall by evaluating variance in measurement of radial strain," Japanese Journal of Applied Physics, vol. 47, pp. 4180-4187, 2008.
  175. Kazuki Ikeshita, Hideyuki Hasegawa, and Hiroshi Kanai, "Ultrasonic measurement of transient change in the stress-strain property of radial arterial wall caused by endothelial-dependent vasodilation," Japanese Journal of Applied Physics, vol. 47, pp. 4165-4169, 2008.
  176. Takaomi Kinugawa, Hideyuki Hasegawa, and Hiroshi Kanai, "Automated segmentation of heart wall using coherence among ultrasonic RF echoes," Japanese Journal of Applied Physics, vol. 47, pp. 4155-4164, 2008.
  177. Kentaro Tsuzuki, Hideyuki Hasegawa, Hiroshi Kanai, Masataka Ichiki, and Fumiaki Tezuka, "Optimal region-of-interest settings for tissue characterization based on ultrasonic elasticity imaging," Ultrasound in Medicine and Biology, vol. 34, pp. 573-585, 2008.
  178. Hisashi Okimoto, Yasushi Ishigaki, Yoshihiro Koiwa, Yoshinori Hinokio, Takehide Ogihara, Susumu Suzuki, Hideki Katagiri, Takayoshi Ohkubo, Hideyuki Hasegawa, Hiroshi Kanai, and Yoshitomo Oka, "A novel method for evaluating human carotid artery elasticity: Possible detection of early stage atherosclerosis in subjects with type 2 diabetes," Atherosclerosis, vol. 196, pp. 391-397, 2008.
  179. Teppei Onodera, Hideyuki Hasegawa, and Hiroshi Kanai, "Measurement of angular dependence of ultrasonic scattering from wire phantom mimicking myocardial fiber," Japanese Journal of Applied Physics, vol. 46, pp. 4897-4899, 2007.
  180. Hiroki Yoshiara, Hideyuki Hasegawa, Hiroshi Kanai, and Motonao Tanaka, "Ultrasonic imaging of propagation of contraction and relaxation in the heart walls at high temporal resolution," Japanese Journal of Applied Physics, vol. 46, pp. 4889-4896, 2007.
  181. Takanori Numata, Hideyuki Hasegawa, and Hiroshi Kanai, "Basic study on detection of outer boundary of arterial wall using its longitudinal motion," Japanese Journal of Applied Physics, vol. 46, pp. 4900-4907, 2007.
  182. Kazuki Kudo, Hideyuki Hasegawa, and Hiroshi Kanai, "Measurement of angular dependence of ultrasonic echo for estimation of surface roughness," Japanese Journal of Applied Physics, vol. 46, pp. 4873-4880, 2007.
  183. Takuya Kaneko, Hideyuki Hasegawa, and Hiroshi Kanai, "Ultrasonic measurement of change in elasticity due to endothelium dependent relaxation response by accurate detection of artery-wall boundary," Japanese Journal of Applied Physics, vol. 46, pp. 4881-4888, 2007.
  184. Kosuke Ebina, Hideyuki Hasegawa, and Hiroshi Kanai, "Investigation of frequency characteristics in cutting of soft tissue using prototype ultrasonic knives," Japanese Journal of Applied Physics, vol. 46, pp. 4793-4800, 2007.
  185. Yusaku Abe, Hideyuki Hasegawa, and Hiroshi Kanai, "Accurate estimation of scattering strength distribution by simultaneous reception of ultrasonic echoes with multichannel transducer array," Japanese Journal of Applied Physics, vol. 46, pp. 4813-4819, 2007.
  186. 吉新寛樹, 長谷川英之, 金井　浩, 田中元直, "心筋ストレインレート空間分布の高時間分解能計測による収縮・弛緩の遷移過程の描出," 超音波医学, vol. 34, pp. 439-448, 2007.
  187. Hideyuki Hasegawa, Hiroshi Kanai, Masataka Ichiki, and Fumiaki Tezuka, "Tissue structure of arterial wall revealed with elasticity imaging," Journal of Medical Ultrasonics, vol. 34, pp. 73-74, 2007.
  188. Kazuki Kudo, Hideyuki Hasegawa, and Hiroshi Kanai, "Improved imaging of carotid artery in the short-axis plane by a mechanical scanning ultrasonic probe," Journal of Medical Ultrasonics, vol. 34, pp. 23-27, 2007.
  189. Toshio Yamagishi, Makoto Kato, Yoshiro Koiwa, Hideyuki Hasegawa, and Hiroshi Kanai, "Usefulness of measurement of carotid arterial wall elasticity distribution in detection of early-stage atherosclerotic lesions caused by cigarette smoking," Journal of Medical Ultrasonics, vol. 33, pp. 203-210, 2006.
  190. Hideyuki Hasegawa and Hiroshi Kanai, "Modification of the phased-tracking method for reduction of artifacts in estimated artery wall deformation," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 53, pp. 2050-2064, 2006.
  191. Hideyuki Hasegawa and Hiroshi Kanai, "Measurement of nonlinear property of artery wall using remote cyclic actuation," Journal of Medical Ultrasonics, vol. 33, pp. 143-151, 2006.
  192. Shutaro Kunii, Junichi Sugawara, Yoshitaka Kimura, Noriaki Imai, Hiroshi Chisaka, Hideyuki Hasegawa, Yoshiro Koiwa, Hiroshi Kanai, Kunihiro Okamura, "Fetal myocardial thickening measured by ultrasonic-based technique called 'phased-tracking method'," Fetal Diagnosis and Therapy, vol. 21, pp. 458-465, 2006.
  193. Jun Inagaki, Hideyuki Hasegawa, Hiroshi Kanai, Masataka Ichiki, and Fumiaki Tezuka, "Tissue classification of arterial wall based on elasticity image," Japanese Journal of Applied Physics, vol. 45, pp. 4732-4735, 2006.
  194. Chihiro Arihara, Hideyuki Hasegawa, and Hiroshi Kanai, "Accurate ultrasonic measurement of surface profile using phase shift of echo and inverse filtering," Japanese Journal of Applied Physics, vol. 45, pp. 4727-4731, 2006.
  195. Takashi Mashiyama, Hideyuki Hasegawa, and Hiroshi Kanai, "Designing beam steering for accurate measurement of intima-media thickness at carotid sinus," Japanese Journal of Applied Physics, vol. 45, pp. 4722-4726, 2006.
  196. Hiroshi Kanai, Hideyuki Hasegawa, and Kohsuke Imamura, "Spatial distribution measurement of heart wall vibrations generated by remote perturbation of inner pressure," Japanese Journal of Applied Physics, vol. 45, pp. 4718-4721, 2006.
  197. Hideyuki Hasegawa, Mikito Takahashi, Yoshifumi Nishio, and Hiroshi Kanai, "Generation of strain inside object using dual acoustic radiation force," Japanese Journal of Applied Physics, vol. 45, pp. 4706-4711, 2006.
  198. Hideyuki Hasegawa and Hiroshi Kanai, "Improving accuracy in estimation of artery-wall displacement by referring to center frequency of RF echo," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 53, pp. 52-63, 2006.
  199. Masataka Sugimoto, Hideyuki Hasegawa, and Hiroshi Kanai, "Change in elasticity caused by flow-mediated dilation measured only for intima-media region of brachial artery," Japanese Journal of Applied Physics, vol. 44, pp. 6297-6301, 2005.
  200. Hideyuki Hasegawa and Hiroshi Kanai, "Frequency analysis of strain of cylindrical shell for assessment of viscosity," Japanese Journal of Applied Physics, vol. 44, pp. 4609-4614, 2005.
  201. Jiang Tang, Hideyuki Hasegawa, and Hiroshi Kanai, "Cross-sectional elasticity imaging of arterial wall by comparing measured change in thickness with model waveform," Japanese Journal of Applied Physics, vol. 44, pp. 4588-4592, 2005.
  202. Jun Inagaki, Hideyuki Hasegawa, Hiroshi Kanai, Masataka Ichiki, and Fumiaki Tezuka, "Construction of reference data for tissue characterization of arterial wall based on elasticity images," Japanese Journal of Applied Physics, vol. 44, pp. 4593-4597, 2005.
  203. Nozomi Nakagawa, Hideyuki Hasegawa, and Hiroshi Kanai, "Cross-sectional elasticity imaging of carotid arterial wall in short-axis plane by transcutaneous ultrasound," Japanese Journal of Applied Physics, vol. 43, pp. 3220-3226, 2004.
  204. Hideyuki Hasegawa and Hiroshi Kanai, "Measurement of elastic moduli of the arterial wall at multiple frequencies by remote actuation for assessment of viscoelasticity," Japanese Journal of Applied Physics, vol. 43, pp. 3197-3203, 2004.
  205. Hideyuki Hasegawa, Hiroshi Kanai, and Yoshiro Koiwa, "Detection of lumen-intima interface of posterior wall for measurement of elasticity of the human carotid artery," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 51, pp. 93-108, 2004.
  206. Kazuaki Michishita, Hideyuki Hasegawa, and Hiroshi Kanai, "Ultrasonic measurement of minute displacement of object continuously actuated by acoustic radiation force," Japanese Journal of Applied Physics, vol. 42, pp. 4608-4612, 2003.
  207. Hiroshi Kanai, Hideyuki Hasegawa, Yoshiro Koiwa, Masataka Ichiki, and Fumiaki Tezuka, "Elasticity imaging of atheroma with transcutaneous ultrasound -Preliminary study-," Circulation, vol. 107, pp. 3018-3021, 2003.
  208. Hideyuki Hasegawa, Hiroshi Kanai, Yoshiro Koiwa, and James P. Butler, "Measurement of change in wall thickness of cylindrical shell due to cyclic remote actuation for assessment of viscoelasticity of arterial wall," Japanese Journal of Applied Physics, vol. 42, pp. 3255-3261, 2003.
  209. Yoshiro Koiwa, Hiroshi Kanai, Hideyuki Hasegawa, Yoshiko Saitoh, and Kunio Shirato, "Left ventricular transmural systolic function by high-sensitivity velocity measurement "phased tracking method" across the septum in doxorubicin cardiomyopathy," Ultrasound in Medicine and Biology, vol. 28, pp. 1395-1403, 2002.
  210. Yoshiro Koiwa, Hideichi Kamada, Mikio Inose, Kunio Shirato, Yoshiko Saito, Hideyuki Hasegawa, and Hiroshi Kanai, "Systolic heterogeneity of transmural myocardial function in normal subjects: physiological function heterogeneity," Tohoku J. Exp. Med., vol. 197, pp. 183-187, 2002.
  211. 渡辺　優, 長谷川英之, 金井　浩, "3次元音場の摸擬による動脈壁厚変化計測の精度検討," 日本音響学会誌, vol. 58, pp. 696-703, 2002.
  212. Masaru Watanabe, Hideyuki Hasegawa, and Hiroshi Kanai, "Optimization of condition of ultrasonic beam for measurement of small change in thickness of arterial wall," Japanese Journal of Applied Physics, vol. 41, pp. 3613-3618, 2002.
  213. Hideyuki Hasegawa, Hiroshi Kanai, and Yoshiro Koiwa, "Modified phased tracking method for measurement of change in thickness of arterial wall," Japanese Journal of Applied Physics, vol. 41, pp. 3563-3571, 2002.
  214. 長谷川英之, 金井　浩, 星宮　望, 小岩喜郎, "不均一な壁厚を有する管の局所壁弾性率の計測法," 超音波医学, vol. 28, pp. J3-J13, 2001.
  215. Hideyuki Hasegawa, Hiroshi Kanai, Nozomu Hoshimiya, and Yoshiro Koiwa, "Reduction of influence of decrease in signal-to-noise ratio in measurement of change in thickness of arterial wall due to heartbeat," Japanese Journal of Applied Physics, vol. 39, pp. 3257-3261, 2000.
  216. Hideyuki Honda, Shigemitsu Nakaya, Hideichi Kamada, Hideyuki Hasegawa, JunDemachi, Hisao Chikama, Koushirou Sugimura, Yoshito Yamamoto, Norihisa Kumasaka, Tamotsu Takita, Jun Ikeda, Hiroshi Kanai, Yoshiro Koiwa, and Kunio Shirato, "Non-invasive estimation of human left ventricular end-diastolic pressure," Medical Engineering & Physics, vol. 20, pp. 485-488, 1998.
  217. 長谷川英之, 金井　浩, 星宮　望, 中鉢憲賢, 小岩喜郎, "動脈壁の厚み変化波形の周波数解析," 日本音響学会誌, vol. 54, pp. 473-481, 1998.
  218. Hideyuki Hasegawa, Hiroshi Kanai, Nozomu Hoshimiya, Noriyoshi Chubachi, and Yoshiro Koiwa, "Accuracy evaluation in the measurement of a small change in the thickness of arterial walls and the measurement of elasticity of the human carotid artery," Japanese Journal of Applied Physics, vol. 37, pp. 3101-3105, 1998.
  219. 長谷川英之, 金井　浩, 中鉢憲賢, 小岩喜郎, "動脈壁厚変化の非侵襲的高精度計測による動脈壁弾性率の評価," 超音波医学, vol. 24, pp. 851-860, 1997.
  220. 長谷川英之, 金井　浩, 中鉢憲賢, 小岩喜郎, "動脈壁の微小振動の非侵襲的高精度計測による局所弾性特性の評価," 日本音響学会誌, vol. 53, pp. 346-351, 1997.
  221. Hiroshi Kanai, Hideyuki Hasegawa, Noriyoshi Chubachi, Yoshiro Koiwa, and Motonao Tanaka, "Noninvasive evaluation of local myocardial thickening and its color-coded imaging," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 44, pp. 752-768, 1997.
  222. Hideyuki Hasegawa, Hiroshi Kanai, Noriyoshi Chubachi, and Yoshiro Koiwa, "Noninvasive evaluation of Poisson's ratio of arterial wall using ultrasound," Electronics Letters, vol. 33, pp. 340-342, 1997.


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