Doctor in Engineering, Kyoto University, Japan.
Developer Minolta Limited company, Itami, Japan, 1986—1992. Researcher Institute Chemical Research Kyoto (Japan) University, Gokanoshyo, 1993—1994. Researcher Minolta Limited company, Takatsuki, Japan, 1995—1997.
Chief researcher Hirao Active Glass project Japan Science and Technology Corporation, Seika-cho, Japan, 1998—1999. Researcher Minolta Limited company, Itami, Japan, since 2000.
Member of Ceramic Society of Japan, Japan Society of Applied Physics (associate).
Married Yukiyo Aoyagi, June 29, 1963.