| 1990.4
- 1991.3 |
Assistant, Faculty of Law, The University of Tokyo |
| 1991.4
- 1993.11 |
Assistant, Graduate Schools for Law and Politics, The University of Tokyo |
| 1993.11
- 1995.3 |
Assistant Professor, Graduate Schools for Law and Politics, The University of Tokyo |
| 1995.4
- 2001.3 |
Associate Professor (as old post name), Institute of Social Sciences, University of Tsukuba |
| 2001.4
- 2002.8 |
Associate Professor (as old post name), Institute of Social Sciences, University of Tsukuba |
| 2002.9
- 2004.3 |
Associate Professor (as old post name), Graduate School of Law, Kobe University |
| 2004.4
- 2010.9 |
Professor, Graduate School of Law, Kobe University |
| 2006.4
- 2006.9 |
客員研究員, 情報法研究所, アムステルダム大学 |
| 2006.4
- 2006.9 |
Visiting Professor, 情報法研究所, アムステルダム大学 |
| 2007.8
- 2008.8 |
客員研究員, 情報法研究所, アムステルダム大学 |
| 2007.8
- 2008.8 |
Visiting Professor, 情報法研究所, アムステルダム大学 |
| 2010.10
- 2018.3 |
Professor, Graduate School of International Corporate Strategy, Hitotsubashi University |
| 2018.4
- |
Professor, Faculty of Law, Hitotsubashi University |
| 2018.4
- |
Professor, Graduate School of Law, Hitotsubashi University |
