- 2011/06 - Council on Pharmcists Credentials えxecutive Director
- 2011/04 - Showa University Professor Emeritus
- 1979 - 1992 Showa University School of Pharmacy
- 1979 - 1992 Associate Professor Showa Univ., Sch. Pharm. Sci.
- 1992 - - 昭和大学薬学部 教授
- 1992 - - Professor, Showa Univ., Sch. Pharm. Sci.
- 1973 - 1979 Tohoku University Faculty of Pharmaceutical Sciences
- 1973 - 1979 assistant professor, Tohoku University, Sch. Pharm. Sci.
- 1976 - 1977 バンダービルト大学医学部トキシコロジーセンター 研究員
- 1976 - 1977 Research Associate Toxicology Center Vanderbilt University School of Medicine
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