- 2004/02 - 2012/03 Nihon Pharmaceutical University Professor, President
- 2008 - - 日本薬科大学学長
- 2008 - - President, Nihon Pharmaceutical University
- 1979 - 2004 Daiichi University, College of Pharmaceutical Sciences
- 1979 - 2004 Professor, Daiichi College of Pharmaceutical Sciences
- 2004 - - Professor, Nihon Pharmaceutical University
- 1971 - 1979 Daiichi University, College of Pharmaceutical Sciences
- 1971 - 1979 Assistant Professor, Daiichi College of
- 1975 - 1976 ノースカロライナ大学 博士研究員
- 1975 - 1976 Postdoctorate Fellowship, School of Pharmacy,
- 1969 - 1970 タイ国立医学研究所薬用植物部門 顧問
- University of North Carolina.
- Pharmaceutical Sciences Professor, President
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和漢医薬学会
, 日本東洋医学会
, 日本生薬学会
, 日本薬学会
, Medical and Pharmaceutical Society for Wakan-Yaku
, The Japan Society for Oriental Medicine
, American Society of Pharmacognosy
, Japanese Society of Pharmacognosy
, Pharmaceutical Society of Japan