Bachelor of Science, University Tokyo, 1955. Master of Science, University Tokyo, 1957. DrSci, University Tokyo, 1960.
Researcher Nippon Steel Corporation, Tokyo, 1960-1988, director research and development Laboratory 1, 1985-1987, executive councillor, 1987-1988. Professor materials science and engineering Waseda University, 1988—2002, laboratory director materials science technical, 2000—2002, professor emeritus, since 2003.
Member Japan Institute Metals, Iron and Steel Institute Japan (honorary, Nishiyama Memorial prize 1983), Physical Society Japan, Tile Map Service.
Married Yasuko Tamama, October 3, 1959.