- 1999 - - 日本歯科大学大学院新潟歯学研究科 科長
- 1999 - - Director of Dentistry Research, The Nippon Dental
- 1974 - 1976 日本歯科大学新潟歯学部歯科補綴学教室第2講座 助教授
- 1974 - 1976 Assistant Professor, The Nippon Dental University at
- 1976 - - 日本歯科大学新潟歯学部歯科補綴学教室第2講座 教授
- 1976 - - Professor, The Nippon Dental University at Niigata,
- 1970 - 1974 日本歯科大学歯科補綴学教室第2講座 講師
- 1970 - 1974 Asociate Professor, The Nippon Dental University at
- 1962 - 1970 日本歯科大学歯科補綴学教室第2講座 助手
- 1962 - 1970 Assistant, The Nippon Dental University at Tokyo, Dept.
- University at Niigata.
- Dept. of Crown & Bridge Prosthodontics.
- Niigata, Dept. of Crown & Bridge Prosthodontics.
- Tokyo, Dept. of Crown & Bridge Prosthodontics.
- of Crown & Bridge Prosthodontics.
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