- 2024/04 - 現在 茨城大学 教育学部 養護教諭養成課程 非常勤講師
- 2023/04 - 現在 College of Bioresource Sciences, Nihon University Department of Food Science and Technology Associate Professor
- 2015/04 - 現在 Nihon University Faculty of Bioresource Sciences Laboratory of Food for Health, Department of Biology for Daily Life Associate Professor
- 2007/04 - 2016/03 Nihon University Junior College Laboratory of Food Sciences, Junior College of Biosource Sciences, Associate Professor
- 2005/04 - 2007/03 Associate Professor, Dept. of Pathophysiology, Faculty of Pharmaceutical Science, Tohoku Pharmaceutical University
- 2003/04 - 2005/03 Visiting Scientist, Laboratory of Metabolism, Center for Cancer Research, National Cancer Institute, National Institutes of Health, U.S.A.
- 2002/04 - 2003/03 Associate Professor, Dept. of Pathophysiological Science (by changing the name of the Dept.), Faculty of Pharmaceutical Science, Tohoku Pharmaceutical University
- 2000/04 - 2002/03 Associate Professor, Dept. of Medical Pharmacy, Faculty of Pharmaceutical Science, Tohoku Pharmaceutical University
- 1999/04 - 2000/03 Assistant Professor, Dept. of Pathophysiological Science, Faculty of Pharmaceutical Science, Tohoku Pharmaceutical University
- 1997/04 - 1999/03 Assistant Professor, Dept. of Pathophysiological Biochemistry, Faculty of Pharmaceutical Sciences, Tohoku University
- 1989/04 - 1993/09 Researcher, Dept. of Pharmacology, Research Center, Taisho Pharmaceutical Co., LTD.