Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7040374 | Electromagnetic clutch-controlled electric blind | Yu-Che Wen, Ya-Wei Hsu | 2006-05-09 |
| 6789597 | Electromagnetic clutch-controlled electric blind | Yu-Che Wen, Ya-Wei Hsu | 2004-09-14 |
| 6659156 | Screw transmission mechanism for a blind | Yu-Che Wen | 2003-12-09 |
| 6655441 | Friction transmission mechanism for a motor-driven blind | Yu-Che Wen | 2003-12-02 |
| 6619365 | Plug-in transmission mechanism for a motor-driven blind | Yu-Che Wen | 2003-09-16 |