Doctor of Philosophy, Tohoku University, Sendai, Japan, 1995.
Research and development engineer Japan Radio Company, Mitaka, 1969-1972, Yokogawa Hewlett Packard, Ltd., Hachioji, Japan, 1973-1979, Yokogawa Electrical Works, Ltd., Musashino, Japan, 1979-1983. Research & Development manager Yokogawa Medical Systems, Ltd., Hino, Japan, 1983-1991. Manager new business planning Yokogawa Electrical Corporation, Musashino, 1991-1992.
Research & Development manager Yokogawa Medical Systems, Ltd., Hino, 1992-1999. Professor engineering University Kagoshima, Japan, since 1999.
Member Institute of Electrical and Electronics Engineers (senior ), Japan Society Ultrasonics in Medicine, International Society Biotelemetry, Catgut Acoustical Society, Inc.
Married Michiko Ishida, July 16, 1978. 1 child, Akihito.