Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659740 | Information service system using unity code | Hitoshi Ezaki, Hitoshi Kawada, Akira Oosawa | 1997-08-19 |
| 5541394 | Delivery service management system | Toshihito Kouchi, Yoshiki Ogawa, Hiromasa Suzuki | 1996-07-30 |