Bachelor in Engineering, Kyushu Institute of Technology, 1981. Master of Science in Engineering, Tohoku University, 1983. Doctor Engineering, Tohoku University, 1988.
Assistant, Kumamoto (Japan) U., 1982-1988; lecturer, Kumamoto (Japan) U., 1988-1990; associate professor, Kumamoto (Japan) U., since 1990.
Member Institute of Electrical and Electronics Engineers, Institute Electronics, Information and Communications Engineers (engineering acoustics technical committee section since 1998), Acoustic Society Japan (secretary hearing technical committee 1993-1994, Awaya award 1992), Acoustic Society of America.
Married Kuniko Abe, June 30, 1980. Children: Shino, shiori, Sadaki.