Bachelor of Science, University Tokyo, 1957. Master of Science, University Tokyo, 1959. Doctor of Philosophy, Texas Agricultural and Mechanical University, 1963.
Technology official Ministry of Transportation, Tokyo, 1959-1963. Assistant professor University Hawaii, 1963-1965. Affiliate professor Tokai University, Shimizu, Japan, 1966-1973, professor oceanology Japan, since 1974, dean ocean science and engineering Japan, 1994—2000.
Trustee Japan Marine Science and Technology Center, 1987-2000, Ship and Ocean Foundation, since 1999, Underwater Park Association, 1976-2002. Trustee Deep Ocean Water Application, since 1997, president, since 1997. Member Marine Technology Society (chairman since 1997, international award 1999), Japan Society Coastal Zone Studies (president since 2004).
Married Yoko Hattori, March 8, 1975. Children: Akahito, Kyoko, Hiroko, Fumiko.