- 2023/04 - 現在 Tohoku University, Graduate School of Agricultural Science Specially appointed Professor
- 2023/04 - 現在 Tohoku University, Graduate School of Agricultural Science
- 2023/04 - 現在 Tohoku University Graduate School of Environmental Studies Environmental Research Promotion Center Specially appointed Professor
- 2008/04 - 2023/03 Graduate School of Agricultural Science, Tohoku University 教授
- 2000/04 - 2008/03 Graduate School of Agricultural Science, Tohoku University Associate Professor
- 2005/04 - 2007/03 Center for Interdisciplinary Research, Tohoku University 助教授(兼務)
- 2004/09 - 2005/10 Department of Biology, Boston University Visiting Scholar
- 1999/04 - 2002/03 Center for Interdisciplinary Research, Tohoku University 助教授(兼務)
- 1997/12 - 2000/03 Faculty of Agriculture, Tohoku University Associate Professor
- 1985/07 - 1997/11 Tohoku University, Faculty of Agriculture Assistant Professor
- 1993/12 - 1994/08 Bedford Institute of Oceanography(Canada) Visiting Scientist
- 1983/04 - 1985/06 Yamazaki Baking CO., LTD., Central Laboratory, Researcher.
Show all