- 2006/08 - 現在 Teikyo University Chiba Medical Center
- 2006/08 - 現在 Teikyo University Chiba Medical Center, Instructor
- 2009/05 - 2010/03 東京都健康長寿医療センター研究所協力研究員
- 2009/05 - 2010/03 Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Cooperative researcher
- 2002 - 2006 .7 帝京大学医学部附属市原病院共同研究室 講師
- 1990 - 2006 .7 ibid.,Instructor
- 1990 - 2002 同上 講師
- 1986 - 1990 Teikyo University School of Medicine
- 1986 - 1990 Teikyo Univ. Sch. of Med.,
- 1984 - 1985 帝京大学医学部第一内科 清水研究室 研究生
- 1984 - 1985 Teikyo Univ.
- 1979 - 1983 Teikyo University School of Medicine
- 1979 - 1983 Teikyo Univ. Sch. of Med.,
- 1972 - 1979 Teikyo University School of Medicine
- 1972 - 1979 Teikyo University,
- 1967 - 1969 Nihon University College of Science and Technology
- 1967 - 1969 Nihon University,
- Assistant
- Dept. of Clinical Research,
- Dr. N. Shimizu Laboratory,
- Sch. of Med., First Dept. of Med.,
- Research Fellow
- Dr.J.Kato's Laboratory,
- Dept. of Obst. and Gyne.,
- Staff of School affairs
- Department of Obstetrics and Gynecology,
- School of Medicine,
- Subassistant
- Pharmacognostics Laboratory,
- Department of Pharmaceutical Science,