- 2021/04 - 現在 Niigata University Faculty of Education
- 2021/04 - 現在 Niigata University
- 2021/04 - 現在 新潟大学 人文社会科学系 フェロー
- 2018/04 - 2021/03 Niigata University Graduate School of Modern Society and Culture Multicultural Studies
- 2018/04 - 2021/03 Niigata University Graduate School of Modern Society and Culture Social and Cultural Studies Professor
- 2012/04 - 2021/03 Niigata University Graduate School of Modern Society and Culture Multicultural Studies Professor
- 2008/04 - 2021/03 Niigata University Faculty of Education Professor
- 2008/04/01 - 2018/03/31 Niigata University Graduate School of Education School Subjects Professor
- 2005/04/01 - 2018/03/31 Niigata University Graduate School of Education School Subjects Professor
- 2010/01/01 - 2014/03/31 Niigata University Faculty of Education
- 2008/04/01 - 2009/11/25 Niigata University Faculty of Education
- 2008/04/01 - 2009/09/30 Niigata University Faculty of Education
- 2006/02/16 - 2008/03/31 Niigata University Faculty of Education and Human Sciences
- 2005/04/01 - 2008/03/31 Niigata University Faculty of Education and Human Sciences Professor
- 1998/04/01 - 2005/03/31 Niigata University Faculty of Education and Human Sciences Associate Professor (as old post name)
- 1989/05/01 - 2005/03/31 Niigata University Graduate School of Education School Subjects Associate Professor (as old post name)
- 1989/05/01 - 1998/03/31 Niigata University Faculty of Education Associate Professor (as old post name)
- 1987/11/01 - 1989/04/30 Niigata University Graduate School of Education School Subjects Lecturer
- 1987/11/01 - 1989/04/30 Niigata University Faculty of Education Lecturer
- 1986/09/01 - 1987/10/31 Niigata University Faculty of Education Assistant
- 1982/04/01 - 1986/08/31 Toyo University
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