- 1985 - 1995 日本歯科大学新潟歯学部口腔外科学第2講座 助教授
- 1985 - 1995 Associate Professor, Department of Oral and
- 1995 - - 日本歯科大学大学院新潟歯学研究科 教授兼任
- 1995 - - Professor, Graduate School of Dentistry at Niigata,
- 1985 - 1986 ミシガン大学歯学部口腔外科、耳鼻咽喉科頭頸部外科 客員助教授
- 1985 - 1986 Visiting Associate Prof. Department of Oral
- The Nippon Dental University
- Arbor, USA
- Neck Surgery, The University of Michigan, Ann
- Department of Otorhinolaryngology, Head and
- and Maxillofacial Surgery, School of Dentistry,
- University
- Dentistry at Niigata, The Nippon Dental
- Maxillofacial Surgery (]G0002[), School of
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