- 1979 - 2001 Health Sciences University of Hokkaido School of Dentistry
- 1979 - 2001 Professor, Faculty of Dentistry,
- 1974 - 1979 Hokkaido University School of Dental Medicine
- 1974 - 1979 Associate Professor, Faculty of Dentistry,
- Health Sciences University of Hokkaido
- University of HOkkaido
- Health Sciences University of Hokkaido School of Dentistry, Department of Dentistry, Department of Dental Anesthesiology
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