Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5822295 | Optical head device to maximize the effective diameter of an objective lens | — | 1998-10-13 |
| 5787059 | Optical head seek controller for optical disk device | — | 1998-07-28 |
| 5717668 | Optical head seek controller for optical disk device | — | 1998-02-10 |
| 5623461 | Optical disk drive capable of higher-speed seeking | — | 1997-04-22 |
| 5621711 | Velocity detection circuit | — | 1997-04-15 |
| 5493550 | Velocity detection circuit | — | 1996-02-20 |
| 5469422 | Writing and erasing information by varying the temperature of an optical recording medium | — | 1995-11-21 |