Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5740137 | Servo control method for an opto-magnetic disc | — | 1998-04-14 |
| 5687147 | Servo control method and apparatus for an opto magnetic disc | — | 1997-11-11 |
| 5623463 | Method for determining a focusing control operation position in an opto-magnetic disc recording/reproducing apparatus | — | 1997-04-22 |