Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320876 | Transfer apparatus and method | Koji Sasaki, Hidetoshi Watanabe, Hirotsugu Suzuki | 1994-06-14 |
| 5202171 | Optical information recording medium | Koji Sasaki | 1993-04-13 |
| 5071673 | Method for producing optical disc | Koji Sasaki, Hidetoshi Watanabe | 1991-12-10 |