Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8602191 | Clutch assembly | Wei-Chou Chiu | 2013-12-10 |
| 7457062 | Driving apparatus for fine-tuning focus | Tsung-Kai Chang, Chin-Sung Liu, Yi-Jung Chen | 2008-11-25 |
WT
Wen-Sheng Tai
Topray Technologies: 1 patents #5 of 16Top 35%
Overall (All Time): #2,082,207 of 4,157,543Top 55%
2
Patents All Time