Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6414931 | Lens driving device, optical head and optical disc system | Fumisada Maeda, Kenji Yamamoto, Kiyoshi Ohsato, Toshio Watanabe | 2002-07-02 |
| 6404710 | Position controller and position control method of optical system and recording/reproducing apparatus and driving method thereof | Koichiro Kishima | 2002-06-11 |