- 1997 - 2003 Kagoshima University Dental School
- 1997 - 2003 Professor, 1st Department of Oral and
- 2003 - - 鹿児島大学大学院医歯学総合研究科 教授
- 2003 - - Professor,Graduate School of Medical and
- 1992 - 1997 Kagoshima University Dental School
- 1992 - 1997 Associate Professor, 1st Department of Oral
- 1980 - 1992 Kagoshima University Dental School
- 1980 - 1992 Assistant Professor(lecturer), 1st Department
- 1978 - 1980 Kagoshima University Dental School
- 1978 - 1980 Assistant, 1st Department of Oral and
- 1977 - 1978 鹿児島大学医学部歯科口腔外科学講座 助手
- 1977 - 1978 Assistant, Department of Dentistry and Oral
- Sciences,Kagoshima University
- Maxillofacial Surgery, Kagoshima University
- University Dental School
- and Maxillofacial Surgery, Kagoshima
- University Dental Hospital
- of Oral and Maxillofacial Surgery, Kagoshima
- Dental School
- Maxillofacial Surgery, Kagoshima University,
- University
- Surgery, Faculty of Medicine, Kagoshima