Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7710837 | Method for determining focusing error gain for accessing to optical disc | Tao Wei, Ching-Hsiang Chang | 2010-05-04 |
| 7525892 | Method of erasing an erasable disc | Kuo-Chiang Chang, Ling Chen | 2009-04-28 |
| 7483047 | Control method for marking label side of optical disc | Chih-Wei Huang, Tao Wei | 2009-01-27 |
| 7113462 | Method for adjusting the writing speed of a CD drive | Yung-Yu Chang | 2006-09-26 |