- 1996/04 - :麻布大学付置生物科学総合研究所所長(兼)(現在に至る)
- 1996 - -:Director of Azabu University Research Institute of
- 1990/04 - :麻布大学4年制大学院獣医学研究科委員会委員および同研究科
- 1984/11 - :麻布大学獣医学研究科修士課程および博士課程授業担当(教授)
- 1984/10 - :麻布大学(獣医学部)教授
- 1980 - 1984 :Adjunct Associate Professor in Pharmacology,
- 1978 - 1984 :Associate Professor in Pharmacology, Lab. of
- 1984 - -:Professor in Advanced Pharmacology, Graduate School
- 1980 - 1982 :Adjunct Professor, Comparative Toxicology
- 1980/10 - :米国カンサス州立大学獣医学部(比較毒性学研究室)
- 1978/04 - :麻布獣医科大学助教授
- 1969 - 1978 :Assistant Professor in Pharmacology, Lab.of
- 1969/04 - :麻布獣医科大学講師
- 1966 - 1969 :Instructor in Pharmacology, Lab. of Pharmacology,
- 1966/04 - :麻布獣医科大学(麻布大学)助手(薬理学講座)
- 1965 - 1966 :Intern in Ueda Animal Hospital, Nishinomiya, Japan
- 1965/04 - :研修獣医師(高知市/西宮市)
- 博士課程授業担当(教授)
- Adjunct Professor(昭和57年3月まで)
- Azabu veterinary College(present:Azabu University)
- Pharmacology, Azabu Veterinary College(present:Azabu University)
- Pharmacology, School of Veterinary Medicine, Azabu University
- Collage of Environmental Science, Azabu University
- University at Manhattan, KS, USA
- Laboratories, School of Veterinary Medicine, Kansas State
- Medicine, Azabu University
- Toxicology, Lab. of Pharmacology(Head), School of Veterinary
- of Veterinary Sciences, and Professor in Pharmacology and
- Bilsciences