Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9033521 | Projection device and method for decreasing stray light | Hui-Ping Chen | 2015-05-19 |
| 8721086 | Projection apparatus having light beam adjusting element | Jui-Ping Chang, Hui-Ping Chen, Hsin-Tai Wu | 2014-05-13 |