- 1983 - 1984 Saga Medical School
- 1983 - 1984 Saga Medical School, Department of Surgery, associate professor
- 1982 - 1983 Saga Medical School
- 1982 - 1983 Saga Medical School, Department of Surgery, assistant professor
- 1976 - 1982 University of Tsukuba Institute of Clinical Medicine
- 1976 - 1982 Tsukuba University, assistant professor
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