Doctor of Medicine, Kyoto (Japan) University, 1942. Doctor Medical Science, Kyoto (Japan) University, 1949. Doctor of Philosophy, University Washington, Seattle, 1958.
Assistant professor, associate professor, Kyoto U. Medical School, 1948-1957; professor, chairman microbiology department, Kobe (Japan) U. Medical School, 1957-1982; director, International Center Medical Research, Kobe, 1979-1982; director Institute Tropical Medicine, Kanazawa (Japan) Medical U., 1985-1989; professor tropical medicine, Kanazawa (Japan) Medical U., since 1989. Board directors, vice president Japan World Health Organization Association, Kyoto, since 1989.
Fellow Royal Society Tropical Medicine and Hygiene, New York Academy of Sciences. Member American Society Microbiology.
Married Toshiko Ohata, March 8, 1946. 3 children.