Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6370104 | DVD reading-writing pick-up head employing multiple wavelengths | Zu-Wen Chao | 2002-04-09 |
| 6343059 | Reading-writing pickup head | Zu-Wen Chao | 2002-01-29 |
| 6341116 | Compact optical pick-up head employing non-diffractive element | Zu-Wen Chao | 2002-01-22 |