- 2014/04 - 現在 Hokkaido University Faculty of Fisheries Sciences Vice Dean
- 2005/04 - 現在 Faculty of Fisheries Sciences Professor
- 2000/04 - 2005/03 Graduate School of Fisheries Sciences Professor
- 1995/04 - 2000/03 Faculty of Fisheries Associate Professor
- 1995 - 2000 Associate Professor in Chemistry,
- 2000 - - Professor,
- 1985/07 - 1995/03 Faculty of Fisheries Instructor
- 1985 - 1995 Instructor of Chemistry,
- Graduate School of Fisheries Sciences,
- Division of Bioscience,
- Bio-functional Material Chemistry,
- Faculty of Fisheries,
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環境学会(International Society for Food, Agriculture, and Environment)
, 農学
, 国際食品
, 韓国食品科学会(Korean Society of Food and Tecnology)
, 脂質栄養学会
, 米国油化学会(The American Oil Chemists' Society)
, 日本食品工業学会
, 日本油化学会
, 日本脂質生化学研究会
, 日本水産学会
, 日本栄養食糧学会
, 日本農芸化学会