Bachelor of Science in Electrical Engineering, Shizuoka University, Hammatsu, Japan, 1980; Master of Science in Electrical Engineering, Shizuoka University, Hammatsu, Japan, 1982; Doctor of Philosophy in Electrical engineer, Polytechnic University, New York City, 1986.
Research fellow Polytechnic University, New York City, 1982-1986, postdoctoral scientist, 1986-1987. Assistant professor Chuo University, Tokyo, 1987-1988, associate professor, 1988-1998, professor, since 1998. Lecturer Tokyo Denki University, 1988-1991.
Member Institute of Electrical and Electronics Engineers (senior, R.W.P. King award 1987), Institute Electronics, Information and Communications Engineers Japan (Shinohara Kinen award 1988), Institute Electrical Engineers Japan (Paper Presentation award 1991), Acoustical Society Japan, Acoustical Society of America, Sigma Xi.
Married Madoka Ohmi. 1 child, Tomohiro.