Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6483799 | Rewritable DVD-RAM disc | Guo-Zua Wu, Der-Ray Huang, Wei-Cheng Chen | 2002-11-19 |
| 6415400 | Method of managing defect areas on an erasable optical disc in a dynamic manner | Guo-Zua Wu, Wei-Cheng Chen | 2002-07-02 |
| 6370104 | DVD reading-writing pick-up head employing multiple wavelengths | Yuan-Chin Lee | 2002-04-09 |
| 6343059 | Reading-writing pickup head | Yuan-Chin Lee | 2002-01-29 |
| 6341116 | Compact optical pick-up head employing non-diffractive element | Yuan-Chin Lee | 2002-01-22 |