Spectral Broadening in Ultrasonic Doppler Flowmeters Due to Unsteady Flow. - Sho Kikkawa; Takami Yamaguchi; Kazuo Tanishita; Motoaki Sugawara (IEEE Trans. Biomed. Eng., 1987)

Development of assisted-robotic system designed to measure the Wave Intensity with an ultrasonic diagnostic device. - Ryu Nakadate; Hisato Uda; Horoaki Hirano; Jorge Solis 001; Atsuo Takanishi; Eiichi Minagawa; Motoaki Sugawara; Kiyomi Niki (IROS, 2009)

Clinical usefulness of wave intensity analysis. - Motoaki Sugawara; Kiyomi Niki; Nobuyuki Ohte; Takashi Okada; Akimitsu Harada (Medical Biol. Eng. Comput., 2009)

Implementation of an automatic scanning and detection algorithm for the carotid artery by an assisted-robotic measurement system. - Ryu Nakadate; Jorge Solis 001; Atsuo Takanishi; Eiichi Minagawa; Motoaki Sugawara; Kiyomi Niki (IROS, 2010)

Out-of-plane visual servoing method for tracking the carotid artery with a robot-assisted ultrasound diagnostic system. - Ryu Nakadate; Jorge Solis 001; Atsuo Takanishi; Eiichi Minagawa; Motoaki Sugawara; Kiyomi Niki (ICRA, 2011)

Human abdomen recognition using camera and force sensor in medical robot system for automatic ultrasound scan. - Ammar Safwan Bin Mustafa; Takashi Ishii; Yoshiki Matsunaga; Ryu Nakadate; Hiroyuki Ishii; Kouji Ogawa; Akiko Saito; Motoaki Sugawara; Kiyomi Niki; Atsuo Takanishi (EMBC, 2013)

Noninvasive assessment of left ventricular force-frequency relationships by measuring carotid arterial wave intensity during exercise stress. - Midori Tanaka; Motoaki Sugawara; Yasuo Ogasawara; Isao Suminoe; Tadafumi Izumi; Osamu Hiramatsu; Fumihiko Kajiya (EMBC, 2013)

Development of robotic system for autonomous liver screening using ultrasound scanning device. - Ammar Safwan Bin Mustafa; Takashi Ishii; Yoshiki Matsunaga; Ryu Nakadate; Hiroyuki Ishii; Kouji Ogawa; Akiko Saito; Motoaki Sugawara; Kiyomi Niki; Atsuo Takanishi (ROBIO, 2013)

Duration of the Hemodynamic Effects of 6 Weeks Repeated Moderate Aerobic Exercise after Its Cessation. - Midori Tanaka; Motoaki Sugawara; Yasuo Ogasawara; Tadafumi Izumi; Kiyomi Niki; Fumihiko Kajiya (icSPORTS, 2019)