Bachelor of Electrical Engineering, Keio University, 1977. Doctor of Engineering, Keio University, 1988.
Research and Development Ricoh Company Ltd., 1983—1995. Speech recognition research ATR Interpreting Telephony Research Laboratories, 1988—1991. Head, auditory and visual research laboratories Communications Research Laboratory, 1995—1999.
Professor Kobe University Graduate School, since 1999. Director promotion office Kobe Advanced Information and communications technology Research Center, National Institute Information and Communications Technology, 2006—2009.
Member of Institute of Electrical and Electronics Engineers (senior. Vice chair technical program 2007-2009, Excellent Paper award 2006).
Married Yoshiko Shimura.