| No. | Subject | Institution |
|---|---|---|
| 1. | Service Marketing | Waseda University |
| 2. | Business Data Analysis | Waseda University |
| 3. | Information Processing in Economics | Kanagawa University |
| 4. | Seminar for Second-Year Undergraduate Students | Hitotsubashi University |
| 5. | Seminar for First-Year Undergraduate Students | Hitotsubashi University |