Bachelor of Agriculture, University Tokyo, 1957. Doctor of Philosophy, University Tokyo, 1967.
Researcher Ajinomoto Company, Inc., Kawasaki, Japan, 1957-1989. Research fellow University Tokyo, 1958-1961. Postdoctoral research fellow Harvard Medical School, Boston, 1968-1970.
Associate professor Michigan State University, East Lansing, 1981-1983. Professor Science University of Tokyo, Noda, Chiba, Japan, since 1989. Visiting professor University Guelph, Ontario, Canada, 1976.
Consultant Technology Research Company, Tokyo, since 1991. Lecturer Broadcast University, Chiba, since 1992.
Member New York Academy of Sciences.
Married Toshiko Yabuta, May 14, 1961. Children: Norio, Masayuki, Marina.