- 2020 - 現在 Wakayama University Faculty of Economics
- 2017 - 現在 Wakayama University Faculty of Systems Engineering
- 2016 - 現在 Wakayama University Faculty of Tourism
- 2018 - 2018 Kagawa University Faculty of Agriculture
- 2018 - National Institution for Academic Degrees and Quality Enhancement of Higher Education
- 2016 - 2017 The Open University of Japan Faculty of Liberal Arts
- 2003 - 2006 Shiga University Faculty of Education Environmental education
- 2002 - 2003 Kyoto university of art and design Art and Design Faculty by Correspondence Department of Historical Heritage
- 1996 - 1998 Osaka Polytechnic College Faculty of Chemical Systems Department of Industrial Chemistry
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