Functional neuromuscular stimulation system using an implantable hydroxyapatite connector and a microprocessor-based portable stimulator. - Kenzo Akazawa; Masaaki Makikawa; Jiro Kawamura; Hideki Aoki (IEEE Trans. Biomed. Eng., 1989)

Development of an 8 DOF Robotic Orthosis for Assisting Human Upper Limb Motion. - Kiyoshi Nagai; Isao Nakanishi; Hideo Hanafusa; Sadao Kawamura; Masaaki Makikawa; Noriyuki Tejima (ICRA, 1998)

Ambulatory Physical Activity Monitoring System. - Masaaki Makikawa; Satoshi Kurata; Masakatsu Kawato; Hideteru Kobayashi; Ayumu Takahashi; Rinzo Tokue (MedInfo, 1998)

Ambulatory Monitoring of Behavior in Daily Life by Accelerometers Set at Both-Near-Sides of the Joint. - Masaaki Makikawa; Satoshi Kurata; Yoshiki Higa; Yoshiyasu Araki; Rinzo Tokue (MedInfo, 2001)

Jogging Support System with Portable Monitoring Device and Health Manage Software. - Masaaki Makikawa; Tadao Isaka; Takeo Iida; Shuzo Asajima; Kanji Tsukise; Naruhiro Shiozawa; Kento Nishiyama; Sumio Wada; Kyoichiro Nakayama; Michiyuki Horiguchi; Hitoshi Torimoto (MedInfo, 2004)

Measurement of Human Gastric Motility by Near-Infrared Light for the Assessment of Chronic Mental Stress. - Teppei Hayashi; Naruhiro Shiozawa; Masaaki Makikawa (EMBC, 2006)

Non-restrictive Heart Rate Monitoring Using an Acceleration Sensor. - Shima Okada; Yoshihisa Fujiwara; Masashi Yasuda; Yuko Ohno; Masaaki Makikawa (EMBC, 2006)

Development of a low-profile sensor using electro-conductive yarns in recognition of slippage. - Van Anh Ho; Daisuke Kondo; Shima Okada; Takahiro Araki; Emi Fujita; Masaaki Makikawa; Shinichi Hirai (IROS, 2011)

Body movement in children with ADHD calculated using video images. - Shima Okada; Naruhiro Shiozawa; Masaaki Makikawa (BHI, 2012)

Gait analysis of sit-to-walk motion by using portable acceleration monitor device for fall prevention. - Naruhiro Shiozawa; Shin Arai; Shima Okada; Masaaki Makikawa (BHI, 2012)

Electric motor assisted bicycle as an aerobic exercise machine. - Takafumi Nagata; Shima Okada; Masaaki Makikawa (EMBC, 2012)

Experimental investigation of surface identification ability of a low-profile fabric tactile sensor. - Van Anh Ho; Takahiro Araki; Masaaki Makikawa; Shinichi Hirai (IROS, 2012)

Body movement analysis during sleep for children with ADHD using video image processing. - Masahiro Nakatani; Shima Okada; Sachiko Shimizu; Ikuko Mohri; Yuko Ohno; Masako Taniike; Masaaki Makikawa (EMBC, 2013)

Measurement of swallowing using flexible polymer sensor. - Yusuke Sakaue; Takahiro Shimizu; Motomi Matsushima; Mikiya Matsuura; Katsuei Takahashi; Kazuhiko Asahara; Shima Okada; Masaaki Makikawa (EMBC, 2013)

Evaluation of lower leg swelling using EMG measured with voltage divider. - Akito Murai; Yusuke Sakaue; Masaaki Makikawa (EMBC, 2014)

Signal source estimation inside the human heart during ventricular activation using switching voltage divider. - Yusuke Sakaue; Masaaki Makikawa (EMBC, 2016)

Development of wearable muscle fatigue detection system using capacitance coupling electrodes. - Takahiro Kobayshi; Shima Okada; Masaaki Makikawa; Naruhiro Shiozawa; Manabu Kosaka (EMBC, 2017)

Development of wearable EMG measurement system on forearm for wrist gestures discrimination. - Satoya Higashi; Daisuke Goto; Shima Okada; Naruhiro Shiozawa; Masaaki Makikawa (LifeTech, 2019)

Estimation of Subcutaneous Tissue State of Lymphedema Using Pressure Sensor. - Daiki Kato; Rie Tajika; Kanna Mototani; Masaaki Makikawa; Makoto Tsukuda; Atsue Ishii; Shima Okada (LifeTech, 2019)

Sleep Stage Estimation Using ECG. - Hirotaka Matsumoto; Shima Okada; Tianyi Wang 002; Masaaki Makikawa (BIBM, 2020)

Sleep Stages Discrimination by Head Motion. - Motoki Yoshihi; Shima Okada; Tianyi Wang 002; Masaaki Makikawa (BIBM, 2020)

The Estimation of Circadian Rhythm Using Smart Wear. - Hazuki Masuda; Shima Okada; Naruhiro Shiozawa; Masaaki Makikawa; Daisuke Goto (EMBC, 2020)

Investigation for Inducing Sleep using Entrainment of Heart Rate. - Chihiro Tawada; Shima Okada; Tianyi Wang 002; Masaaki Makikawa (GCCE, 2021)

Development of a Music Interactive Online Fitness System for Shoulder Press Exercise: Latest Update for Biosignal Art. - Tianyi Wang 002; Masamitsu Kamon; Shima Okada; Yurie Kondo; Naruhiro Shiozawa; Masaaki Makikawa (GCCE, 2021)

Effect of Assist Robot on Muscle Synergy during Sit-to-Stand Movement. - Tianyi Wang 002; Shima Okada; An Guo; Masaaki Makikawa; Naruhiro Shiozawa (ISR, 2021)

Classification of Robot Service during Sit-to-Stand through Segments Coordination. - Tianyi Wang 002; Shima Okada; Masaaki Makikawa (LifeTech, 2021)

Estimating Sleep Stages Using a Head Acceleration Sensor. - Motoki Yoshihi; Shima Okada; Tianyi Wang 002; Toshihiro Kitajima; Masaaki Makikawa (Sensors, 2021)

Evaluation for Biorhythm of Japanese University Students During COVID-19 Pandemic Using Wearable Device. - Hazuki Masuda; Koki Nakauchi; Tianyi Wang 002; Shima Okada; Masaaki Makikawa (ICCE, 2022)

Convolutional neural network-based computer-aided diagnosis in Hiesho (cold sensation). - Tianyi Wang 002; Masayuki Endo; Yuko Ohno; Shima Okada; Masaaki Makikawa (Comput. Biol. Medicine, 2022)

Noncontact Evaluation Method for Autonomic Nervous System Activity during Exercise Using RGB Camera. - Kanaru Fumimoto; Shima Okada; Masanobu Manno; Yusuke Sakaue; Ryohei Tsuji; Masaaki Makikawa (EMBC, 2023)

Non-contact Assessment of Cardiovascular and Thermoregulatory Function during Exercise after Sleep Deprivation. - Kanaru Fumimoto; Shima Okada; Masanobu Manno; Yusuke Sakaue; Masaaki Makikawa (EMBC, 2024)

Development of a Robotic Sixth Finger for Novel Instrument Performance. - Koki Takemoto; Shima Okada; Yusuke Sakaue; Masanobu Manno; Masaaki Makikawa (GCCE, 2024)

A Contactless Measurement of Mind Activity During Conversation Using Video Analysis. - Kanaru Fumimoto; Yusuke Sakaue; Shima Okada; Ryohei Tsuji; Naruhiro Shiozawa; Kazuho Yamaura; Takeshi Hashimoto; Masaaki Makikawa (ICCE, 2024)

Noncontact Measurement for Autonomic Nervous System Activity Caused by Mental Task Using Video Analysis. - Ryohei Tsuji; Shima Okada; Yusuke Sakaue; Masanobu Manno; Kanaru Fumimoto; Masaaki Makikawa (ICCE, 2024)

Effects of "Robotic Rocking Pillow" on Human Short Sleep at Noon. - Kazutaka Yamamoto; Yuuichi Kawamura; Shima Okada; Yusuke Sakaue; Masanobu Manno; Masaaki Makikawa (ICCE, 2024)

Machine learning model for menstrual cycle phase classification and ovulation day detection based on sleeping heart rate under free-living conditions. - Hazuki Masuda; Shima Okada; Naruhiro Shiozawa; Yusuke Sakaue; Masanobu Manno; Masaaki Makikawa; Tadao Isaka (Comput. Biol. Medicine, 2025)

Noncontact evaluation of autonomic nervous system activity during exercise by using video analysis. - Kanaru Fumimoto; Shima Okada; Ryohei Tsuji; Yusuke Sakaue; Naruhiro Shiozawa; Hieyong Jeong; Masaaki Makikawa (Frontiers Digit. Health, 2025)