- 2018/04 - 現在 Yamagata University Faculty of Humanities and Social Sciences Humanities and Social Sciences Professor
- 2014/10 - 2018/03 Yamagata University Faculty of Education, Art and Science Department of Education, Art and Science Professor
- 2010/02 - 2018/03 Yamagata University Abolition organization Department of Art and Culture Professor
- 2015/04 - 2017/03 Tohoku University Part-time Lecturer
- 2010/02 - 2014/09 Yamagata University Faculty of Education, Art and Science Department of Education, Art and Science
- 2003/04 - 2010/03 Ishikawa National College of Technology Part-time Lecturer
- 2002/04 - 2010/03 Kanazawa University Part-time Lecturer
- 1994/04 - 2010/03 University of Toyama Part-time Lecturer
- 2002/04 - 2006/03 Toyama University of International Studies Part-time Lecturer
- 1991/04 - 2002/03 Senzoku Gakuen Uozu Junior College Lecturer
- 1998/02 - 1998/02 University of Missouri 非常勤講師
- 1996/04 - 1996/09 Toyama Medical and Pharmaceutical University Part-time Lecturer
- 1994/04 - 1995/03 TAKAOKA UNIVERSITY OF LAW Part-time Lecturer
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