Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701282 | Optical disk device capable of displaying the whole capacity and the reproduction position on the optical disk | Kissei Matsumoto, Shinji Katsuki | 1997-12-23 |
| 5617383 | Optical disk device capable of displaying the whole capacity and the reproduction position on the optical disk | Kissei Matsumoto, Shinji Katsuki | 1997-04-01 |