He received his B. S., M. S. and D. Eng. degrees from the University of Tokyo in 1970, 1972 and 1983, respectively.
Research Associate at the Institute of Space and Aeronautical Science, the University of Tokyo in 1975.
Professor of the Department of Computer Science at Takushoku University in 1992.
Visiting researcher at Laboratory of Acoustics, the University of Le Mans (France), 1998 - 1999.
His research interests include sound propagation and acoustic signal processing.