- 1998/01/01 - 現在 日本医科大学中央電子顕微鏡研究施設兼務
- 2000 - :日本医科大学雑誌編集委員
- 2000 - :日本医科大学産婦人科学兼坦
- 2000 - : Editorial board, The Journal of Nippon Medical School
- 2000 - : Hold concurrent position, Department of Obstetrics
- 1998 - :日本医科大学老人病研究所分子病理学助教授
- 1998 - : Serve concurrently at central Institute for electron
- 1998 - : Associate Professor, Department of Molecular
- 1997 - :日本医科大学老人病研究所講師
- 1997 - : Assistant Professor, Department of Molecular
- 1996 - :大韓民国Kyung Hee University, College of Medicine
- 1995 - :埼玉医科大学産婦人科学教室非常勤講師
- 1994 - : Medical Lecturer, Central Institute for Electron
- 1992 - :シカゴ医科大学HM Bligh 癌研究所免疫組織化学部門チーフ
- 1992 - : Head, Division of Immunohistochemistry, HM Bligh
- 1986 - :日本医学技術専門学校非常勤講師
- 1984 - :日本医科大学中央電子顕微鏡研究施設助手
- 1984 - : Medical Lecturer, Central Institute for Electron
- Visiting Clinical Associate Professor
- and Gynecology
- microscopic research, Nippon Medical School
- Pathology, Institute of Gerontology, Nippon Medical School
- USA.
- Cancer Research Laboratories, Chicago Medical School, IL,
- Microscopic Researches, Nippon Medical School