Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656348 | Optical recording medium and its recording apparatus and reproducing apparatus | Hideo Kudo | 1997-08-12 |
| 5600626 | Optical disk of sampled servo type having synchronization a marks for simple synchronization detection | Fumihiko Yokogawa, Hideki Hayashi | 1997-02-04 |