Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6984481 | Write-once optical recording medium | Wen-Hsin Yen, Jung-Po Chen, Po-Fu Yen, Tzuan-Ren Jeng | 2006-01-10 |
| 6525332 | Method for detecting and compensating disk tilt and apparatus used it | Ming-Feng Ho | 2003-02-25 |
| 6430138 | Bifocal optical pickup head | Tzu-Ping Yang, Der-Ray Huang | 2002-08-06 |
| 6304541 | Single objective lens optical pick-up head | Jau-Jiu Ju | 2001-10-16 |
| 6236633 | Bifocal optical pickup head | Tzu-Ping Yang, Der-Ray Huang | 2001-05-22 |