Bachelor of Science, Hokkaido University, 1959. Master of Science, Hokkaido University, 1961. Doctor of Philosophy, Hokkaido University, 1964.
Research assistant, Hokkaido U., Sapporo, Japan, 1964-1967, 69-71; associate professor, Hokkaido U., Sapporo, Japan, 1971-1984; professor, Yamagata U., Yonezawa, Japan, since 1984; research assistant, Medizinische Hochschule, Hannover, Germany, 1967-1969.
Fellow The Physiological Society of Japan, Japan Society Clinical Monitoring, Japan Society Medical Electronics.
Married Noriko Tsuchiya, October 25, 1962. Children: Aki Yoshida, Yoko Miyamoto.