Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7220007 | Outer suspension type lens shielding mask for projection apparatus | Chih-Chung Yang, Hua Fan | 2007-05-22 |
| 7152980 | Outer suspension type lens shielding mask for projection apparatus | Chih-Chung Yang, Hua Fan | 2006-12-26 |