- Small Business Theory (biannually)Small Business Theory (biannually) Tokyo Woman's Christian University
- Japanese Small and Medium Business(I, II)Japanese Small and Medium Business(I, II) Teikyo University
- Seminar(I, II)Seminar(I, II) Teikyo University
- Basic Seminar (I, II)Basic Seminar (I, II) Teikyo University
- Life Design Seminar(I, II)Life Design Seminar(I, II) Teikyo University
- Venture Business(III, IV)(in English)Venture Business(III, IV)(in English) Teikyo University
- Venture Business(I, II)Venture Business(I, II) Teikyo University
- Modern Small Business Theory(A,B)Modern Small Business Theory(A,B) Toyo University
- Venture Business and SME ManagementVenture Business and SME Management Corporate Brain Training Course, Okinaga Research Institute, Teikyo University
- Small Business ManagementSmall Business Management Corporate Brain Training Course, Okinaga Research Institute, Teikyo University
- Introductory Economics(I, II)Introductory Economics(I, II) Teikyo University
- Practical English(I, II)Practical English(I, II) Teikyo University
2024/01 - Today Japan Academy of Small Business Studies (JASBS) New Member Recruitment Committee
2016/11 -2025/10 Japan Academy of Small Business Studies (JASBS) Executive Secretary, Eastern Division
2020/01 -2022/03 Japanese Committee of International Council for Small Business (JICSB) Executive Secretary (public relations)
2016/11 -2019/10 Japan Academy of Small Business Studies (JASBS) Executive Secretary, Headquarters Secretariat
2019 Japan Association for Comparative Economic Studies (JACES) Organizing Committee of the 59th Annual National Conference
2014/04 -2016/03 Japan Association for Comparative Economic Studies (JACES) Editorial Board, Japanese Journal of Comparative Economics
2015 Japan Association for Comparative Economic Studies (JACES) Organizing Committee of the 55th Annual National Conference
2012 Japan Association for Comparative Economic Studies (JACES) Organizing Committee of the 52nd Annual National Conference