Hirano Laboratory

1. Ziqiang Xu, Zu Soh, Yuta Kurota, Yuya Kimura, Harutoyo Hirano, Takafumi Sasaoka, Atsuo Yoshino and Toshio Tsuji. Neuroimaging-based evidence for sympathetic correlation between brain activity and peripheral vasomotion during pain anticipation. Scientific Reports. 2024; 14, Article number: 3383 [Link]

2. Ziqiang Xu, Reiji Anai, Harutoyo Hirano, Zu Soh and Toshio Tsuji. Noninvasive Characterization of Peripheral Sympathetic Activation across Sensory Stimuli Using a Peripheral Arterial Stiffness Index. Frontiers in Physiology, section Computational Physiology and Medicine. 2024; 14: 1294239 [Link]

3. Genta Tabuchi, Akira Furui, Seiji Hama, Akiko Yanagawa, Koji Shimonaga, Ziqiang Xu, Zu Soh, Harutoyo Hirano and Toshio Tsuji. Motor-cognitive functions required for driving in post-stroke individuals identified via machine-learning analysis. Journal of NeuroEngineering and Rehabilitation. 2023; 20: Article number: 139 [Link]

4. Ryuki Shigemasu, Yuki Teraoka, Satoshi Ota, Harutoyo Hirano, Keita Yasutomi, Shoji Kawahito, Masato Futagawa. Development of a Current Injection—Type Impedance Measurement System for Monitoring Soil Water Content and Ion Concentration. Sensors. 2022; 22(9): 3509 [Link]

5. Seiya Tanaka, Satoshi Ota, Harutoyo Hirano, Masato Futagawa, Yasushi Takemura. Evaluation of Harmonic Signals Derived From Multiple Spatially Separated Samples for Magnetic Particle Imaging. IEEE Transactions on Magnetics. 2022; 58(8): 1-5, Art no. 6501005 [Link]

6. Seiichi Ohkawara, Kentaro Miura, Harutoyo Hirano, Satoshi Ota, Masato Futagawa. Evaluation of a Hydrogen Signal Detection Method Using a Compact NMR Sensor for the Measurement of Ion Concentrations in Culture Medium. IEEJ Transactions on Sensors and Micromachines. 2021; 141(11): 367-372 [Link]

7. Satoshi Ota, Seiichi Ohkawara, Harutoyo Hirano, Masato Futagawa, Yasushi Takemura. Empirical and simulated evaluations of easy-axis dynamics of magnetic nanoparticles based on their magnetization response in alternating magnetic field. Journal of Magnetism and Magnetic Materials. 2021; 539: Article number 168354 [Link]

8. Satoshi Kamiya, Ryuji Nakamura, Noboru Saeki, Takashi Kondo, Hirotsugu Miyoshi, Soushi Narasaki, Atsushi Morio, Masashi Kawamoto, Harutoyo Hirano, Toshio Tsuji, Yasuo M. Tsutsumi. Prediction of blood pressure change during surgical incision under opioid analgesia using sympathetic response evoking threshold. Scientific Reports. 2021; 11: Article number 9558 [Link]

9. Toshifumi Muneyasu, Harutoyo Hirano, Akira Furui, Zu Soh, Ryuji Nakamura, Noboru Saeki, Yoshiyuki Okada, Masashi Kawamoto, Masao Yoshizumi, Atsuo Yoshino, Takafumi Sasaoka, Shigeto Yamawaki, Toshio Tsuji. Cardiorespiratory synchronisation and systolic blood pressure correlation of peripheral arterial stiffness during endoscopic thoracic sympathectomy. Scientific Reports. 2021; 11: Article number 5966 [Link]

10. Toshio Tsuji, Fumiya Arikuni, Takafumi Sasaoka, Shin Suyama, Takashi Akiyoshi, Zu Soh, Harutoyo Hirano, Ryuji Nakamura, Noboru Saeki, Masashi Kawamoto, Masao Yoshizumi, Atsuo Yoshino, Shigeto Yamawaki. Peripheral arterial stiffness during electrocutaneous stimulation is positively correlated with pain-related brain activity and subjective pain intensity: an fMRI study. Scientific Reports. 2021; 11: Article number 4425 [Link]

11. Seiji Hama, Kazumasa Yoshimura, Akiko Yanagawa, Koji Shimonaga, Akira Furui, Zu Soh, Shinya Nishino, Harutoyo Hirano, Shigeto Yamawaki, Toshio Tsuji. Relationships between motor and cognitive functions and subsequent post-stroke mood disorders revealed by machine learning analysis. Scientific Reports. 2020; 10: Article number 19571 [Link]

12. Toshio Tsuji, Tomonori Nobukawa, Akihisa Mito, Harutoyo Hirano, Zu Soh, Ryota Inokuchi, Etsunori Fujita, Yumi Ogura, Shigehiko Kaneko, Ryuji Nakamura, Noboru Saeki, Masashi Kawamoto, Masao Yoshizumi. Recurrent probabilistic neural network-based short-term prediction for acute hypotension and ventricular fibrillation. Scientific Reports. 2020; 10: Article number 11970 [Link]

13. Naoki Hagiyama, Harutoyo Hirano, Akihisa Mito, Zu Soh, Etsunori Fujita, Yumi Ogura, Shigehiko Kaneko, Ryuji Nakamura, Noboru Saeki, Masashi Kawamoto, Masao Yoshizumi, Toshio Tsuji. Unconstrained Vital Sign Monitoring System Using an Aortic Pulse Wave Sensor. Scientific Reports. 2019; 9: Article number 17475 [Link]

14. Hiroshi Tanaka, Akihisa Mito, Harutoyo Hirano, Zu Soh, Ryuji Nakamura, Noboru Saeki, Masashi Kawamoto, Yukihito Higashi, Masao Yoshizumi, Toshio Tsuji. Estimation of Arterial Viscosity Based on an Oscillometric Method and Its Application in Evaluating the Vascular Endothelial Function. Scientific Reports. 2019; 9: Article number 2609 [Link]

15. Harutoyo Hirano, Yusuke Isomura, Masato Futagawa. Monitoring System with Multimodal Sensor for Electrical Conductivity and Hydrogen-ion Concentration of Causative Agents of Underarm Odor. Journal of Translational Science. 2018; 5(5) [Link]

16. Harutoyo Hirano, Renjo Takama, Ryo Matsumoto, Hiroshi Tanaka, Hiroki Hirano, Zu Soh, Teiji Ukawa, Tsuneo Takayanagi, Haruka Morimoto, Ryuji Nakamura, Noboru Saeki, Haruki Hashimoto, Shogo Matsui, Shinji Kishimoto, Nozomu Oda, Masato Kajikawa, Tatsuya Maruhashi, Masashi Kawamoto, Masao Yoshizumi, Yukihito Higashi, Toshio Tsuji. Assessment of Lower-limb Vascular Endothelial Function Based on Enclosed Zone Flow-mediated Dilation. Scientific Reports. 2018; 8: Article number: 9263 [Link]

17. Masato Futagawa, Keisuke Uemura, Kumiko Nomiyama, Harutoyo Hirano, Minoru Watanabe, Mitsuru Komatsu. Study of a Semiconductor Type pH Sensor to Measure Low Water Content Soils in Real-time. IEEJ Transactions on Sensors and Micromachines. 2018; 138(9): 417-422 [Link]

18. Elbegzaya Sukhdorj, Ryuji Nakamura, Noboru Saeki, Kensuke Yanabe, Hiroki Hirano, Harutoyo Hirano, Masao Yoshizumi, Toshio Tsuji, Masashi Kawamoto. Response of Arterial Mechanical Impedance to Different Concentrations of Remifentanil during Abdominal Laparoscopic Colectomy. Hiroshima Journal of Medical Sciences. 2018; 67(3): 55-61 [Link]

19. Kensuke Yanabe, Ryuji Nakamura, Noboru Saeki, Elbegzaya Sukhdorj, Abdugheni Kutluk, Hiroki Hirano, Harutoyo Hirano, Masao Yoshizumi, Toshio Tsuji, Masashi Kawamoto. A new arterial mechanical property indicator reflecting differences in invasive stimulus intensity induced by alteration of remifentanil concentration during laryngoscopy. Minerva Anestesiologica. 2018; 84(3): 311-8 [Link]

20. Hiroki Matsubara, Hiroki Hirano, Harutoyo Hirano, Zu Soh, Ryuji Nakamura, Noboru Saeki, Masashi Kawamoto, Masao Yoshizumi, Atsuo Yoshino, Takafumi Sasaoka, Shigeto Yamawaki, and Toshio Tsuji. Quantitative Evaluation of Pain during Electrocutaneous Stimulation using a Log-Linearized Peripheral Arterial Viscoelastic Model. Scientific Reports. 2018; 8: Article number: 3091 [Link]

21. Masato Futagawa, Shin Ogasahara, Tatsumi Ito, Mitsuru Komatsu, Yasushi Fuwa, Harutoyo Hirano, Ippei Akita, Kenichiro Kusano, Minoru Watanabe. Fabrication of a low leakage current type impedance sensor with shielding structures to detect a low water content of soil for slope failure prognostics. Sensors and Actuators A: Physical. 2018; 271: 383-388 [Link]

22. Nozomu Oda, Tatsuya Maruhashi, Shinji Kishimoto, Masato Kajikawa, Yumiko Iwamoto, Akimichi Iwamoto, Shogo Matsui, Takayuki Hidaka, Yasuki Kihara, Kazuaki Chayama, Chikara Goto, Yoshiki Aibara, Ayumu Nakashima, Kensuke Noma, Harutoyo Hirano, Yukihito Higashi. Relation of the Bilateral Earlobe Crease to Endothelial Dysfunction. American Journal of Cardiology. 2017; 119(12): 1983-1988 [Link]

23. Elbegzaya Sukhdorj, Ryuji Nakamura, Noboro Saeki, Kensuke Yanabe, Abdugheni Kutluk, Hiroki Hirano, Harutoyo Hirano, Toshio Tsuji, Masashi Kawamoto. Alteration of Arterial Mechanical Impedance Greater than that of Photoplethysmogram and Laser Doppler Flowmetry during Endoscopic Thoracic Sympathectomy. Journal of Medical and Biological Engineering. 2017; 37(6): 820–825 [Link]

24. Haruka Morimoto, Masato Kajikawa, Nozomu Oda, Naomi Idei, Harutoyo Hirano, Eisuke Hida, Tatsuya Maruhashi, Yumiko Iwamoto, Shinji Kishimoto, Shogo Matsui, Yoshiki Aibara, Takayuki Hidaka, Yasuki Kihara, Kazuaki Chayama, Chikara Goto, Kensuke Noma, Ayumu Nakashima, Teiji Ukawa, Toshio Tsuji, Yukihito Higashi. Endothelial Function Assessed by Automatic Measurement of Enclosed Zone Flow-mediated Vasodilation Using an Oscillometric Method Is an Independent Predictor of Cardiovascular Events. Journal of the American Heart Association. 2016; 5(12): e004385 [Link]

25. Kohei Eguchi, Hideaki Kashima, Akiko Yokota, Kohei Miura, Masako Yamaoka (Endo), Harutoyo Hirano, Toshio Tsuji, Yoshiyuki Fukuba. Acute effect of oral sensation of sweetness on celiac artery blood flow and gastric myoelectrical activity in humans. Autonomic Neuroscience: Basic and Clinical. 2016; 197: 41-45 [Link]

26. Hiroki Hirano, Masafumi Ito, Takuyuki Endo, Hideaki Hayashi, Harutoyo Hirano, Yuichi Kurita, Saburo Sakoda, Toshio Tsuji. A diagnostic support method for evaluating autonomic nervous function of patients with Parkinson’s disease using a head-up tilt test. Japanese journal of Medical Instrumentation. 2015; 85(6): 569-576 (in Japanese) [Link] 　(2014 Japanese Society of Medical Instrumentation Best Paper Award)

27. Hiroki Matsubara, Hiroki Hirano, Harutoyo Hirano, Genki Matsuoka, Yuichi Kurita, Teiji Ukawa, Ryuji Nakamura, Noboru Saeki, Masao Yoshizumi, Masashi Kawamoto, Toshio Tsuji. Quantification of Sympathetic Nervous Activity Based on Log-linearized Peripheral Arterial Viscoelastic Model and Its Application to Objective Assessment of Pain during Electrocutaneous Stimulation. Transactions of the Society of Instrument and Control Engineers. 2015; 51(9): 627-633 (in Japanese) [Link]

28. Daisuke KIHARA, Harutoyo HIRANO, Hiroki HIRANO, Yuichi KURITA, Teiji UKAWA, Tsuneo TAKAYANAGI, Haruka MORIMOTO, Ryuji NAKAMURA, Noboru SAEKI, Yukihito HIGASHI, Masashi KAWAMOTO, Masao YOSHIZUMI, Toshio TSUJI. Estimation of Arterial Viscoelastic Properties during the Flow-mediated Dilation Test. Transactions of the Society of Instrument and Control Engineers. 2013; 49(11): 1029-1036 (in Japanese) [Link]

29. Harutoyo Hirano, Tomohiro Fukuchi, Yuichi Kurita, Akihiko Kandori, Yuko Sano, Ryuji Nakamura, Noboru Saeki, Masashi Kawamoto, Masao Yoshizumi, Toshio Tsuji. Development of a Palpable Carotid Pulse Pressure Sensor Using Electromagnetic Induction. IEEJ Transactions on Electronics, Information and Systems Part C. 2012; 132(12): 1934-1942 (in Japanese) [Link]

30. Hiroki Hirano, Tetsuya Horiuchi, Harutoyo Hirano, Yuichi Kurita, Teiji Ukawa, Ryuji Nakamura, Noboru Saeki , Masao Yoshizumi, Masashi Kawamoto, Toshio Tsuji. A Log-linearized Peripheral Arterial Viscoelastic Index and Its Application to Endoscopic Thoracic Sympathectomy. Transactions of the Society of Instrument and Control Engineers. 2012; 48(11): 731-739 (in Japanese) [Link]

31. Tetsuya Horiuchi, Abdugheni Kutluk, Harutoyo Hirano, Yuich Kurita, Toshio Tsuji, Teiji Ukawa, Ryuji Nakamura, Noboru Saeki, Yukihito Higashi, Masashi kawamoto, Masao Yoshizumi. A Log-linearized Arterial Viscoelastic Index and Its Application to Carotid Ultrasonography. Transactions of the Society of Instrument and Control Engineers. 2012; 48(9): 563-570 (in Japanese) [Link]

32. Toshio Tsuji, Teiji Ukawa, Ryosuke Kubo, Harutoyo Hirano, Yuichi Kurita, Tsuneo Takayanagi, Haruka Morimoto, Naomi Idei, Yukihito Higashi, Ryuji Nakamura, Noboru Saeki, Masashi Kawamoto, Masao Yoshizumi. Noninvasive Evaluation of Endothelial Function Based on Dilation Rate of Integrated Air-Cuff Plethysmogram. Japanese journal of medical instrumentation. 2012; 82(3): 259-266 (in Japanese) [Link] 　(2012 Japanese Society of Medical Instrumentation Best Paper Award)

33. Harutoyo Hirano, Hiromi Maruyama, Abdugheni Kutluk, Toshio Tsuji, Osamu Fukuda, Naohiro Ueno, Teiji Ukawa, Ryuji Nakamura, Noboru Saeki, Masashi Kawamoto, and Masao Yoshizumi. Noninvasive Estimation of Arterial Viscoelastic Indices Using a Foil-type Flexible Pressure Sensor and a Photoplethysmogram. International Journal on Electrical Engineering and Informatics. 2011; 3(4): 498-515 [Link]

34. Hiromi Maruyama, Harutoyo Hirano, Abdugheni Kutluk, Toshio Tsuji, Osamu Fukuda, Naohiro Ueno, Teiji Ukawa, Ryuji Nakamura, Noboru Saeki, Masashi Kawamoto, Masao Yoshizumi. Noninvasive Monitoring of Arterial Viscoelastic Indices Using a Foil-type Pressure Sensor. IEEJ Transactions on Electronics, Information and Systems Part C. 2011; 131(9): 1518-1527 (in Japanese) [Link]

35. Kenji Shiba, Akira Morimasa, Harutoyo Hirano. Design and Development of Low-Loss Transformer for Powering Small Implantable Medical Devices. IEEE Transactions on Biomedical Circuits and Systems. 2010; 4(2): 77-85 [Link]

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1. Harutoyo Hirano, Haruki Goto, Satoshi Ota, Masato Futagawa, Yu Hashimoto, Haruki Hashimoto, Shinji Kishimoto, Nozomu Oda, Masato Kajikawa, Tatsuya Maruhashi, and Yukihito Higashi, “Convolutional Neural Network-Based Assessment Method for Atherosclerosis Using Earlobe Crease Images”, Proceedings of 2022 44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), p. 2882, Scottish Event Campus, Glasgow, UK, July 11-15, 2022 

2. Seiya Tanaka, Harutoyo Hirano, Masato Futagawa, Yasushi Takemura, Satoshi Ota, “Evaluation of harmonic signals derived from separately located multiple samples for magnetic particle imaging”, The 15th Joint MMM-INTERMAG Conference (2022 Joint), IPB-17, New Orleans, LA/ondemand, Jan 10-14, 2022

3. Keita Honda, Kosuke Shimizu, Harutoyo Hirano, Masato Futagawa, Yasushi Takemura, Satoshi Ota, “Investigation of magnetic relaxation of intratumor magnetic nanoparticles for hyperthermia”, The 15th Joint MMM-INTERMAG Conference (2022 Joint), IPE-21, New Orleans, LA/ondemand, Jan 10-14, 2022

4. Akihisa Mito, Harutoyo Hirano, Naoki Hagiyama, Zu Soh, Etsunori Fujita, Yumi Ogura, Ryuji Nakamura, Noboru Saeki, Masashi Kawamoto, Masao Yoshizumi, Toshio Tsuji, “Unconstrained Monitoring of Pulse Pressure Waves from the Surface of the Subject’s Back”, Proceedings of the SICE Annual Conference 2019, pp. 39-44, Hiroshima, Japan, September 10-13, 2019 [Link] (Young Author’s Award)

5. Masato Futagawa, Keisuke Uemura, Ryuta Oishi, Satoshi Ota, Harutoyo Hirano, “Fabrication of a Stripe-Gate Type pH Sensor for Inhibition of Drift in pH Measurement for Long-Term Soil Monitoring”, The 20th International Conference on Solid-State Sensors, Actuators and Microsystems and EUROSENSORS XXXIII, W3P.035, Berlin, Germany, June 23 – 27, 2019 [Link]

6. Harutoyo Hirano, Yusuke Isomura, Masato Futagawa, “Monitoring System for Causative Substance of Underarm Odor Using a Multimodal Sensor”, The Second Annual IEEE Life Sciences Conference, paper ID: 3023, La Plaza, Montrèal, Quebec, Canada, October 28-30, 2018. [Link]

7. Harutoyo Hirano, Daichi Uematsu, Masato Futagawa, Toshio Tsuji, Haruki Hashimoto, Shinji Kishimoto, Nozomu Oda, Masato Kajikawa, Tatsuya Maruhashi, Yukihito Higashi, “Depth Extraction System for Earlobe Crease to Support Diagnosis of Arteriosclerosis”, 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Paper WePoS-29.10, No. W-0257, Hawaii Convention Center, Honolulu, HI, USA, July 17-21, 2018. [Link]

8. Naoki Hagiyama, Akihisa Mito, Harutoyo Hirano, Zu Soh, Etsunori Fujita, Yumi Ogura, Ryuichi Uchikawa, Shigehiko Kaneko, Ryuji Nakamura, Noboru Saeki, Masashi Kawamoto, Masao Yoshizumi, Toshio Tsuji, “Unconstrained Monitoring of Biological Signals Using an Aortic Pulse Wave Sensor”, Proceedings of the 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Paper FrPoS-19.3, pp. 4327-4330, Hawaii Convention Center, Honolulu, HI, USA, July 17-21, 2018. [Link]

9. Masato Kajikawa, Haruka Morimoto, Nozomu Oda, Naomi Idei, Harutoyo Hirano, Tatsuya Maruhashi, Shinji Kishimoto, Shogo Matsui, Takayuki Hidaka, Farina B Yusoff, Yasuki Kihara, Kensuke Noma, Ayumu Nakashima, Teiji Ukawa, Toshio Tsuji, and Yukihito Higashi: Endothelial Function Measured by Enclosed Zone Flow-mediated Vasodilation Predicts Cardiovascular Events. Circulation 2018: 136(suppl_1); Abstract 11698 [Link]

10. Masato Futagawa, Shin Ogasahara, Tatsumi Ito, Mitsuru Komatsu, Yasushi Fuwa, Harutoyo Hirano, Ippei Akita, Kenichiro Kusano, Minoru Watanabe, “Fabrication of a Low Leakage Current Type Impedance Sensor to Monitor Soil Water Content for Slope Failure Prognostics”, The 19th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2017), W3P-009, pp. 1136-1139, Kaohsiung Exhibition Center, Qianzhen District Kaohsiung, Taiwan, June 18-22, 2017. [Link]

11. Kensuke Yanabe, Ryuji Nakamura, Noboru Saeki, Sukhdorj Elbegzaya, Abdugheni Kutluk, Hiroki Hirano, Harutoyo Hirano, Masao Yoshizumi, Toshio Tsuji, Masashi Kawamoto, “New Arterial Mechanical Property Indicator Can Reflect Differences in Invasive Stimulus Intensity Induced By Alteration of Remifentanil Concentration During Laryngoscopy”, Anesthesia & Analgesia, Vol. 123, Issue 3S_Suppl, pp. 793-794, Hong Kong, China, August 28 -September 2, 2016. [Link]

12. Elbegzaya Sukhdorj, Ryuji Nakamura, Noboro Saeki, Kensuke Yanabe, Abdugheni Kutluk, Hiroki Hirano, Harutoyo Hirano, Masao Yoshizumi, Toshio Tsuji, Masashi Kawamoto, “Response of Arterial Mechanical Impedance to Change in Remifentanil Plasma Concentration During Abdominal Laparoscopic Surgery”, Anesthesia & Analgesia, Vol. 123, Issue 3S_Suppl, pp. 789-790, Hong Kong, China, August 28 – September. 2, 2016. [Link]

13. Harutoyo Hirano, Ryosuke Katsumata, Masato Futagawa, Toshio Tsuji, Shinji Kishimoto, Nozomu Oda, Masato Kajikawa, Tatsuya Maruhashi, Yukihito Higashi, “Development of an Earlobe Crease Identification System to Support Diagnosis of Arteriosclerosis”, Proceedings of the 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, pp. 2374-2377, Orlando, FL, USA, August 16-20, 2016. [Link]

14. Masato Futagawa, Takaya Ozawa, Harutoyo Hirano, Tiejun Zhao, Akimasa Nakano, Kazuaki Sawada, “Development of a Pulse Input Type Potassium Sensor for Monitoring Nutrient Concentration in Agriculture”, Asia-Pacific Conference of Transducers and Micro-Nano Technology 2016 (APCOT2016), T.28, pp. 317-318, Kanazawa Bunka Hall, Kanazawa, Japan, June 26-29, 2016.

15. Harutoyo Hirano, Tomohiro Fukuchi, Zu Soh, Yuichi Kurita, Akihiko Kandori, Yuko Sano, Ryuji Nakamura, Noboru Saeki, Masashi Kawamoto, Masao Yoshizumi, and Toshio Tsuji, “Development of a Continuous Sphygmomanometer Using Electromagnetic Induction”, 2014 IEEE Biomedical Circuit and System Conference Proceedings, pp. 444-447, The Swiss Tech Convention Center, EPFL, Lausanne, Switzerland, October 22-24, 2014. [Link]

16. Harutoyo Hirano, Daisuke Kihara, Hiroki Hirano, Yuichi Kurita, Teiji Ukawa, Tsuneo Takayanagi, Haruka Morimoto, Ryuji Nakamura, Noboru Saeki, Yukihito Higashi, Masashi Kawamoto, Masao Yoshizumi, and Toshio Tsuji, “Evaluation of Arterial Stiffness During the Flow-Mediated Dilation Test”, IEEE International Conference on Systems, Man, and Cybernetics 2013, pp. 3756-3759, The Midland Hotel, Manchester, United Kingdom, October 13-16, 2013. [Link]

17. Harutoyo Hirano, Tetsuya Horiuchi, Abdugheni Kutluk, Yuichi Kurita, Teiji Ukawa, Ryuji Nakamura, Noboru Saeki, Yukihito Higashi, Masashi Kawamoto, Masao Yoshizumi, Toshio Tsuji, “A Log-Linearized Arterial Viscoelastic Model for Evaluation of the Carotid Artery”, Proceedings of the 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, pp. 2591-2594, Osaka International Convention Centre, Osaka, Japan, July 3-7, 2013. [Link]

18. Hiroki Hirano, Tetsuya Horiuchi, Harutoyo Hirano, Yuichi Kurita, Teiji Ukawa, Ryuji Nakamura, Noboru Saeki, Masao Yoshizumi, Masashi Kawamoto, Toshio Tsuji, “Monitoring of Peripheral Vascular Condition Using a Log-Linearized Arterial Viscoelastic index During Endoscopic Thoracic Sympathectomy”, Proceedings of the 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, pp. 2587-2590, Osaka International Convention Centre, Osaka, Japan, July 3-7, 2013. [Link]

19. Abdugheni Kutluk, Harutoyo Hirano, Ryuji Nakamura, Noboru Saeki, Masao Yoshizumi, Masashi Kawamoto, Murat Hamit, and Toshio Tsuji, “Assessment of pain with mechanical nociceptive stimuli by the change of arterial wall impedance”, The 2012 5th International Conference on BioMedical Engineering and Informatics, pp. 315-318, Chongqing DLT Hotel, Chongqing, China, October 16-18, 2012. [Link]

20. Harutoyo Hirano, Yusuke Komatsu, Abdugheni Kutluk, Yuichi Kurita, Shigeyuki Kojima, Yumi Ogura, Etsunori Fujita, Ryuji Nakamura, Noboru Saeki, Masashi Kawamoto, Masao Yoshizumi, and Toshio Tsuji, “Development of a Condition Monitoring System Using an Air-pack Type Pressure Sensor for Bedridden Patients in a Supine Position”, Proceedings of IEEE International Conference Condition Monitoring and Diagnosis 2012, pp. 1201-1204, Inna Grand Bali Beach Hotel, Bali, Indonesia, September 23-27, 2012. [Link]

21. Harutoyo Hirano, Tomohiro Fukuchi, Yuichi Kurita, Akihiko Kandori, Yuko Sano, Ryuji Nakamura, Noboru Saeki, Masashi Kawamoto, Masao Yoshizumi, Toshio Tsuji, “Development of a Palpable Carotid Pulse Pressure Sensor Using Electromagnetic Induction”, Proceedings of the 2012 IEEE/ICME International Conference on Complex Medical Engineering, pp. 441-444, ANA CROWN PLAZA KOBE, Kobe, Japan, July 1-4, 2012. [Link] (Best Student Paper Finalist)

22. Harutoyo Hirano, Hiromi Maruyama, Abdugheni Kutluk, Toshio Tsuji, Osamu Fukuda, Naohiro Ueno, Teiji Ukawa, Ryuji Nakamura, Noboru Saeki, Masashi Kawamoto and Masao Yoshizumi, “Measurement of Arterial Viscoelastic Properties Using a Foil-type Pressure Sensor and a Photoplethysmography”, Proceedings of the 2011 International Conference on Electrical Engineering and Informatics, pp. 1-6, Institut Teknologi Bandung, Bandung, Indonesia, July 17-19, 2011. [Link]

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1. Toshio Tsuji, Harutoyo Hirano, Yukihito Higashi, Masao Yoshizumi. enclosed zone Flow-Mediated Dilation (ezFMD): Development of a Novel Method for Evaluating Vascular Endothelial Function through Medical and Engineering Collaboration. Journal of Japanese College of Angiology. 2019; 59(4): 23–28 [Link]

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1. Harutoyo Hirano and Toshio Tsuji, “Evaluation of Vascular Endothelial Function Based on the Air-cuff Plethysmogram”, Proceedings of the SICE Annual Conference 2019, pp. 45-47, September 10-13, Hiroshima, Japan, 2019.

2. Toshio TSUJI, Harutoyo HIRANO, “Medical/Engineering Corporation based on Arterial Wall Viscoelastic Index”, Proceedings of the Bioengineering Conference Annual Meeting of BED/JSME, pp. 361-362, National Institute of Advanced Industrial Science and Technology，Tsukuba, Jan. 2013. [Link]

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1. SPHYGMOMANOMETER SYSTEM. KANDORI Akihiko, SANO Yuko, TSUJI Toshio, HIRANO Harutoyo（WO/2015/004754A1）

2. VENOUS PRESSURE MEASUREMENT SYSTEM. KANDORI Akihiko, SANO Yuko, TSUJI Toshio, HIRANO Harutoyo（WO/2013/108361 ）

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