- 2021/04 - 現在 National Institute of Technology, Asahikawa College Liberal Arts and Sciences Professor
- 2020/04 - 2021/03 National Institute of Technology, Asahikawa College Liberal Arts and Sciences Associate Professor
- 2014/04 - 2020/03 National Institute of Technology, Asahikawa College Faculty of Mathematics and Science Associate Professor
- 2010/04 - 2014/03 Molecular Chemistry and Engineering Course, Graduate School of Chemical Sciences and Engineering, Hokkaido University Assistant Professor
- 2009/04 - 2014/03 Division of Chemical Process Enginnering, Graduate School of Engineering, Hokkaido University Assistant Professor (reorganization)
- 2007/04 - 2009/03 Faculty of Engineering, Hokkaido University Assistant Professor (syntemic revision)
- 2007/04 - 2009/03 Division of Molecular Chemistry, Graduate School of Engineering, Hokkaido University Assistant Professor (syntemic revision)
- 2005/04 - 2007/03 Division of Chemical Process Enginnering, Graduate School of Engineering, Hokkaido University Assistant Professor (reorganization)
- 2000/04 - 2007/03 Faculty of Engineering, Hokkaido University Assistant Professor
- 2004/10 - 2005/10 California Institute of Technology visitor
- 2000/02 - 2005/03 Division of Molecular Chemistry, Graduate School of Engineering, Hokkaido University Assistant Professor
- 1999/11 - 2000/01 Division of Molecular Chemistry, Graduate School of Engineering, Hokkaido University lab worker
- 1999/04 - 1999/10 Nippon Paper Industry Co., Ltd. research worker
- 200-:Lecturer, Faculty of Engineering, Hokkaido University