Associate professor Osaka City University, chief doctor National Toneyama Hospital, Toyonaka, Japan, 1949-1957. Professor medical chemistry, chairman department medical chemistry Kyushu University School Medicine, Fukuoka, 1957-1962. Professor internal medicine Osaka University, 1962-1980, chairman department internal medicine, 1962-1980, dean School Medicine, 1967-1969, 79, university president, 1979-1985.
Member Japan Academy, 1986.
Author: Textbook of Medical Chemistry, 1961. Textbook of Immunology, 1981. Textbook of Pathological Biochemistry, 1971.
Advisory board Review Infectious Diseases, since 1979, Journal Cancer Research and Clinical Oncology, since 1979, Clinical Therapeutics, since 1979, biomedical Research, since 1980, others. Research in tumor immunology, immunoregulation, metabolic diseases.