- 2010 - 2012 The Open University of Japan
- 2005 - 2010 The Open University of Japan
- 2008 - 2009 The Open University of Japan
- 2003 - 2005 Toyo University
- 2002 - 2005 Toyo University Faculty of Sociology
- 2000 - 2005 Toyo University Faculty of Sociology
- 2003 - 2004 The Open University of Japan
- 2001 - 2002 東洋大学大学院社会学研究科委員長
- 2001 - 2002 Toyo University,Chairperson,Graduate School,
- 2002 - - Toyo University,Dean , Faculty of Sociology
- 1995 - 2000 The University of Tokyo Graduate School of Humanities and Sociology
- 1995 - 2000 Tokyo University, Professor
- 2000 - - Toyo University, Professor
- 1990 - 1995 Tohoku University The Faculty of Arts and Letters
- 1990 - 1995 Tohoku University, Professor
- 1980 - 1990 Tohoku University The Faculty of Arts and Letters
- 1980 - 1990 Tohoku University, associate Professor
- 1974 - 1980 Osaka City University Faculty of Literature and Human Sciences
- 1974 - 1980 Osaka City University, associate Professor
- 1970 - 1974 Yamaguchi University Faculty of Education
- 1970 - 1974 Yamaguchi University, associate Professor
- 1967 - 1970 Yamaguchi University Faculty of Education
- 1967 - 1970 Yamaguchi University, Lecture
- リサーチ・センター長
- Department of Sociology