Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7327643 | Radial tilt compensating optical disk apparatus using tracking control loop gain | Naotoshi Iwazawa, Yutaka Yamanaka, Ryuichi Katayama, Motoaki Shimizu | 2008-02-05 |