Master in Engineering, Osaka University, 1958. Doctor in Engineering, Osaka University, 1963.
From intr. to professor Osaka University, Japan, 1960-1996. Professor Ritsunieikan University, Kyoto, since 1996. Visiting associate professor University Illinois, 1965-1967.
Director research center extreme materials Osaka U, 1992-1996. Chairman solar energy committee Sunshine Project, Tokyo, since 1984.
Member Japan Solar Energy Society (president 1989-1991), Japanese Institute Electronics, Information and Communications (chairman 1995-1996), International Solar Energy Society (board directors 1981-1983), Institute of Electrical and Electronics Engineers (William Cherry award 1994), American Physical Society, Japan Society Applied Physics.
Married Yoko Theresia Ireda, April 20, 1964. 1 child, Joseph.