A New Game Device Using Body-Braille for Visually Impaired People. - Satoshi Ohtsuka; Nobuyuki Sasaki; Sadao Hasegawa; Tetsumi Harakawa (DIGITEL, 2007)

The Introduction of Tele-Support System for Deaf-Blind People Using Body-Braille and a Mobile Phone. - Satoshi Ohtsuka; Nobuyuki Sasaki; Sadao Hasegawa; Tetsumi Harakawa (CCNC, 2008)

Body-Braille System for Disabled People. - Satoshi Ohtsuka; Nobuyuki Sasaki; Sadao Hasegawa; Tetsumi Harakawa (ICCHP, 2008)

Communication System between Deaf-Blind People and Non-Disabled People Using Body-Braille and Infrared Communication. - Satoshi Ohtsuka; Sadao Hasegawa; Nobuyuki Sasaki; Tetsumi Harakawa (CCNC, 2010)

Development of a Musical Score System Using Body-Braille. - Satoshi Ohtsuka; Nobuyuki Sasaki; Sadao Hasegawa; Tetsumi Harakawa (ICCHP (2), 2010)

Helen Keller Phone - a communication system for deaf-blind people using Body-Braille and Skype. - Satoshi Ohtsuka; Nobuyuki Sasaki; Sadao Hasegawa; Tetsumi Harakawa (CCNC, 2012)

Introduction of New Body-Braille Devices and Applications. - Satoshi Ohtsuka; Nobuyuki Sasaki; Sadao Hasegawa; Tetsumi Harakawa (ICCHP (2), 2012)

Introduction of a wireless Body-Braille device and a self-learning system. - Satoshi Ohtsuka; Tai Tomizawa; Sadao Hasegawa; Nobuyuki Sasaki; Tetsumi Harakawa (GCCE, 2013)

IPPITSU: A one-stroke text entry method for touch panels using Braille system. - Keita Ushida; Yutaka Sekine; Sadao Hasegawa (GCCE, 2014)