Rchr

J-GLOBAL ID：201301087920929779 Update date: Mar. 21, 2024

Kato Yuji

カトウユウジ | Kato Yuji

Affiliation and department：
Homepage URL (1)： http://kaken.nii.ac.jp/d/r/50261582.ja.html

Research field (3)： Biomaterials , Biomedical engineering , Optical engineering and photonics

Research keywords (30)：光CT , 光散乱 , 散乱 , 中空導波路 , 後方散乱光 , 音響光学効果 , 赤外ファイバー , 光生体計測 , 低コヒーレント干渉法 , 近赤外 , 低コヒーレント光干渉法 , 高分子薄膜 , センサー , 光薄膜 , 超音波 , 多重共鳴吸収 , 超音波変調法 , 音響光学特性 , 生体光計測 , 時間分解解析 , 近赤外光 , 生体透視 , 光拡散 , 近軸散乱光 , snake photon , 生体計測 , 誘電体内装中空導波路 , 医用画像 , 最小侵襲医療 , 断層イメージング

Research theme for competitive and other funds (39)：

2023 - 2026 Advanced non-invasive optical measurement techniques for the constant monitoring of blood lipid components
2022 - 2025 Near-infrared light delivery in deep tissue using vivo helical optical waveguide formed by a topological ultrasound beam
2021 - 2024 生体内拡散光を用いた無侵襲血管性状イメージングシステムの構築
2020 - 2023 Development of new technique for localized spectroscopy in animal body using time-reverse propagation of phase-conjugate light
2020 - 2023 Development of transcutaneous optical measurement of blood particulate concentration for non-invasive monitoring of blood components

2018 - 2021 Exploring optimal measurement methods to exploit the high motion artifact tolerance of visible light photoplethysmographs

2018 - 2020 Development of time-reversal measurement technique using phase-conjugate wave for noninvasive spectral analysis of animal body

2017 - 2020 System development to realize transillumination and functional imaging of animal body using safe light

2017 - 2020 Artificial intelligence pathological diagnosis by hyperspectral nonlinear Raman scattering imaging

2017 - 2020 Challenge to establish diagnostic criteria for awake bruxism during daytime by multicenter research

2017 - 2020 Development of a non-invasive vascular imaging system using light to reduce the burden of dialysis patients

2016 - 2018 Development of new technique for spectral measurement in scattering medium using time-reverse principle with phase-conjugate wave

2015 - 2018 Challenge to optical impression method of abutment-tooth under the gingiva - Application of near-infrared light diffusion simulation -

2014 - 2018 Pulse glucometry: Pioneering research towards practical non-invasive optical measurement of blood glucose

2013 - 2016 Realization of optical transillumination imaging of 3D internal body structure by integrating new principles

2012 - 2015 Development of the system to measure the diffuse light to depict the structure in the blood vessel

2011 - 2013 Development of a new technique of three-dimensional reconstruction for simple fluorescent imaging in a living body

2011 - 2012 Realization of transcutaneous spectral measurement at local area in biological body by new principle

2009 - 2012 Development of optical transillumination system to realize imaging of 3D structure using new principles

2008 - 2009 光散乱を積極的に利用した新たな体内通信手法および実現システムの開発

2006 - 2008 Realization and application of transillumination imaging of biologicalbody using snake photons

2003 - 2005 Transillumination imaging of biological body using snake photons

2003 - 2004 低コヒーレント干渉法と超音波変調法の効果的結合による生体断層撮影技術の開発

2003 - 2003 医療のための先端的光応用技術研究の企画調査

2001 - 2002 生体透過snake photonの特性解明と利用のための基礎研究

2000 - 2001 高濃度光散乱体における音響光学特性とその光生体計測技術への応用

2000 - 2001 Development of ultra-wide range biotelemetry and telemonitoring system

1998 - 2000 Development of optical CT imaging system using multi-wavelength and short pulse of light

1998 - 1999 Quantitative analysis and safety assessment for biological effects of ELF electromagnetic environment

1997 - 1998 能動型光生体計測技術の基礎研究

1997 - 1998 生体透過snake photon検出のための基礎研究

1996 - 1997 Development of CT Imaging Technique Using Multi-wavelengh and Ultra-short Light Pulse

1996 - 1997 Development of Multi-channel Biotelemetry System for Advanced Emergency Medicine

1995 - 1997 Optical delivery system for painless laser dentistry

1996 - 1996 人工電磁環境の人体影響の定量的解析と安全性評価

1995 - 1996 Highly Intelligent Delivery System in Biomedical Optics

1994 - 1996 STUDIES ON LASER TRANSMISSION DEVICES FOR MINIMALLY INVASIVE MEDICINE

1995 - 1995 光薄膜の多重共鳴吸収を用いた超細径中空ファイバー型光センサーの研究

1992 - 1994 Development of ultra-low loss glass hollow waveguides transmitting infrared light with several wavelengths simultaneously

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Papers (66)：

Tomoya Ishimaru, Taihiko Yamaguchi, Taishi Saito, Yoshinori Hattori, Takahiro Ono, Yoshiaki Arai, Yoko Hasegawa, Hiroshi Shiga, Katsushi Tamaki, Junko Tanaka, et al. Actual state of the diurnal masseteric electromyogram: Differences between awareness and non-awareness of awake bruxism. Journal of prosthodontic research. 2024
Kazuhiro Nishida, Yuji Kato, Nobuki Kudo, Koichi Shimizu. Simulation study for cross-sectional absorption distribution in turbid medium using spatially resolved backscattered light with lateral scanning and one-dimensional solution of nonlinear inverse problem. Japanese Journal of Applied Physics. 2021. 60. 7
加藤祐次, 高見澤淳. Development of Non-Invasive Measurement Technique of Blood Triglyceride Concentrations Using Backscattered Light. レーザー研究. 2021. 49. 9
Matsumura, K., Toda, S., Kato, Y. RGB and Near-Infrared Light Reflectance/Transmittance Photoplethysmography for Measuring Heart Rate during Motion. IEEE Access. 2020. 8. 80233-80242
Nishida, K., Kato, Y., Kudo, N., Shimizu, K. Nonlinear inversion technique for absorption tomography of turbid media using spatially resolved backscattered light. Optics and Lasers in Engineering. 2020. 126. 1-11

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MISC (188)：

加藤祐次. Solution of Nonlinear Inverse Problems with Variation in Propagation of Each Photon for Near-Infrared Optical Tomography Imaging. 電気学会研究会資料(Web). 2021. MBE-21-035.037.039.041
加藤祐次. Solution of Nonlinear Inverse Problems with Variation in Propagation of Each Photon for Near-Infrared Optical Tomography Imaging. 電子情報通信学会技術研究報告(Web). 2021. 121. 77(MBE2021 6-11)
松村健太, 任田崇吾, 加藤祐次. 体動アーチファクトが波長および測定モードの異なる光電容積脈波に与える影響. 電子情報通信学会技術研究報告(MEとバイオサイバネティックス). 2020. 120. 62. 9-11
松村健太, 任田崇吾, 加藤祐次. 体動アーチファクトが波長および測定モードの異なる光電容積脈波に与える影響. 電子情報通信学会技術研究報告(MEとバイオサイバネティックス). 2020. 120. 62. 9-11
任田崇吾, 加藤祐次, 清水孝一. ディジタル位相共役光による散乱抑制におけるコヒーレンス長の影響. 電子情報通信学会技術研究報告(MEとバイオサイバネティックス). 2019. 119. 97. 11-15

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Patents (11)：

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Books (1)：

バイオメディカルフォトニクス-生体医用光学の基礎と応用
電気学会 2009 ISBN:4886862721

Lectures and oral presentations (148)：

Evaluation of controlled release from doxorubicin-loaded nanoparticles under ultrasound irradiation
(日本生体医工学会大会プログラム・抄録集(Web) 2021)
Influence of optical properties of surrounding medium on vein diameter and depth estimation for non-invasive measurement of lipid concentration in blood
(応用物理学会北海道支部/日本光学会北海道支部合同学術講演会講演予稿集 2021)
Improvement of scattering suppression effect of time-reversal propagation using digital phase-conjugate light
(Progress in Biomedical Optics and Imaging - Proceedings of SPIE 2019)
脂質濃度可変静脈モデルファントムを用いた無侵襲血中脂質濃度光学計測法の有効性の検討
(日本生体医工学会大会プログラム・抄録集(Web) 2019)
Attempt for recovering light source image through animal tissue using digital phase-conjugate light
(レーザー学会研究会報告 2018)

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Education (2)：

1989 - 1994 Tohoku University Graduate School of Engineering
1985 - 1989 Tohoku University Faculty of Engineering

Professional career (1)：

Doctor(Engineering) (Tohoku University)

Work history (6)：

2019/04 - 現在北海道大学大学院情報科学研究院助教
2007/04 - 2019/03 Hokkaido University Graduate School of Information Science and Technology
2004/04 - 2007/03 Hokkaido University Graduate School of Information Science and Technology
1998/04 - 2004/03 Hokkaido University Graduate School of Engineering
1995/10 - 1998/03 Hokkaido University School of Engineering

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Committee career (7)：

2019/04 - 現在日本生体医工学会代議員
2017/04 - 現在日本生体医工学会北海道支部幹事
2011/04 - 現在レーザー学会東北・北海道支部幹事
2017/04 - 2023/03 電子情報通信学会MEとバイオサイバネティックス研究会専門委員
2012/08 - 2015/03 日本生体医工学会北海道支部幹事

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Association Membership(s) (4)：

THE JAPAN SOCIETY OF APPLIED PHYSICS , THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS. , THE LASER SOCIETY OF JAPAN , JAPANESE SOCIETY FOR MEDICAL AND BIOLOGICAL ENGINEERING

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