- 2003/04/01 - 現在 Chiba Institute of Technology Faculty of Information and Computer Science, Department of General Education
- 2012/07 - 2015/03 Chiba Institute of Technology
- 2000/04/01 - 2003/03/31 Chiba Institute of Technology Faculty of Information and Computer Science, Department of General Education
- 1998/04/01 - 2000/03/31 Chiba Institute of Technology Faculty of Engineering, Department of General Education
- 1995/04/01 - 1998/03/31 Chiba Institute of Technology Faculty of Engineering, Department of General Education
- 1995/03 - 1995/03 The University of Electro-Communications
- 1974/04 - 1995/02 The University of Electro-Communications
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