- 2021/04 - 松本看護大学看護学部看護学科 非常勤講師
- 2015/04 - Matsumoto Junior College Department of Nursing
- 2015/04 - Shinshu University
- 2015/04 - Shinshu University School of Medicine
- 2014/04 - 信州大学大学院理工学系研究科食品科学 非常勤講師
- 2014/04 - Shinshu University School of Medicine
- 2009/04 - Div. Infect. Cont. & Microbiol. Regulat., Dept. of Health & Med. Sci., Shinshu Univ. Graduate Sch. of Med.
- 2008/04 - Matsumoto University Faculty of Human Health Sciense, Department of Health and Nutritional Science
- 2008/04 - 信州大学大学院 工学系研究科 環境機能工学専攻 食品科学 教授(兼任)
- 2007/04 - Area of Nature & Environ., Dept., of Liberal Arts, The Open Univ. of Japan.
- 2007/04 - Div. Clin, Microbiol., Dept. of Med. Tech., Sch. of Health Sci., Shinshu Univ. Sch. of Med.
- 2003/04 - Div. Clin. Microbiol. Immunol., Dept. Biomed. Lab. Sci., Sch. Health Sci., Shinshu Univ. ・Professor
- 2003/04 - Div. Cultural Studies, Environmental Science and Technology, The Univ. of the Air Graduate School ・Guest Professor
- 2002/10 - Div. Clin. Microbiol. Immunol., Dept. Biomed. Lab. Sci., Sch. Health Sci., Shinshu Univ. ・Associate Professor
- 2002/04 - Div. Cultural Studies, Environmental Science and Technology, The Univ. of the Air Graduate School ・Guest Associate Professor
- 2002/04 - Div. Microbiol., Sch. Nursing, National Matsumoto Hospital ・Guest Lecturer
- 1998/04 - Faculty of Liberal Arts, The University of the Air ・Guest Lecturer
- 1996/04 - Div. Clin. Microbiol., Dept. Med. Technol., Sch. Allied Med. Sci., Shinshu Univ. ・Associate Professor
- 1984/04 - Central Clin. Labs., Shinshu Univ. Hospital ・Supervisor
- 1981/04 - Central Clin. Labs., Shinshu Univ. Hospital ・Vice Supervisor
- 1977/04 - Div. Clin. Bacteriol., Cent. Clin. Labs., Shinshu Univ. Hospital ・Chief Medical Technnologist
- 1971/04 - Div. Clin. Bacteriol., Cent. Clin. Labs., Shinshu Univ. Hospital ・Medical Technnologist