Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8534152 | Deflector for ball screw | Yan-Yu Chen | 2013-09-17 |
| 8336417 | Chain for a motion transmission apparatus | Yan-Yu Chen | 2012-12-25 |
| 8267585 | Motion transmission apparatus with a chain | Yung-Tsai Chuo, Ming-Yao Lin, Chiung-Yao Wang, Yan-Yu Chen | 2012-09-18 |