Bachelor in Engineering, Kyoto University, Japan, 1937. Doctor in Engineering, Kyoto University, Japan, 1951. Dr-Ing (honorary), University Dortmund, Germany, 1992.
Chemical engineer Hitachi Ltd., Tokyo, 1937-1945. Lecturer Kyoto University, Japan, 1940—1945, assistant professor, 1946-1951, professor, 1951-1976, professor emeritus, from 1976. Visiting professor University California, Berkeley, 1963, University Pennsylvania, Philadelphia, 1970.
Guest professor University Dortmund, 1987. Research fellow Yale University, 1952, University Wisconsin, 1959.
Member of National Academy of Engineering (foreign associate), American Institute of Chemical Engineers (honorary), American Chemical Society (honorary), Japanese Society Artificial Organs (honorary), Japanese Society Chemical Engineers (honorary).
Married Kazuko Yoshida (deceased). 2 children.