Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6754902 | Driving mechanism for optical head of optical disc driver | Yung-Sung Lan, Ching-Hsing Huang, Chi-Lone Chang, Yu-Hsiu Chang, Tzuan-Ren Jeng +1 more | 2004-06-22 |
| 6717331 | Piezoelectric ultrasonic motor with multi-layer thin disks | Yung-Sung Lan, Ching-Hsing Huang, Chi-Lone Chang, Yu-Chien Huang, Hsiang-Chieh Yu +3 more | 2004-04-06 |