- 1998 - 2001 Toyo University
- 1998 - 2001 Toyo University, Instructor
- 1988 - 1998 Takushoku University
- 1988 - 1998 Takushoku University,Counselor & Instructor
- 1985 - 1987 防衛研究所研究員
- 1985 - 1987 The National Institute for Defense Studies,
- 1982 - 1985 防衛大学校 教授
- 1982 - 1985 National Defense Academy, Professor
- Researcher
Show all