Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831286 | Method for determining a tilt angle of an optical pickup head | Han-Chao Chen, Jeng-Jiun Chen | 2004-12-14 |
| 6785899 | Adjusting device for an optical disk reading device | Han-Chao Chen, Jeng-Jiun Chen | 2004-08-31 |