- 1988 - 2002 Osaka University School of Letters
- 1975 - 1988 Osaka University School of Letters
- 1975 - 1988 Associate Professor, Faculty of letters,Osaka
- 1988 - - Professor, Faculty od letters Osaka Univ
- 1971 - 1975 Ritsumeikan University College of Economics
- 1971 - 1975 Associate professor, economics department,****
- 1967 - 1971 Osaka University School of Letters
- 1967 - 1971 Research Associate, Faculty of Letters Osaka
- University
Show all