Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7180583 | Apparatus for indicating position of an incident light beam | Pie-Yau Chien, Li-Ming Lin | 2007-02-20 |
| 7177334 | High power driver system | Pi-Yao Chien, Yong Peng | 2007-02-13 |