Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6494600 | High thermal diffusion efficiency light device | Kan-Chuan Cheng | 2002-12-17 |
| 6485147 | Projection system and method of automatic focus | — | 2002-11-26 |
| 6485167 | Light device with heat-dissipating apparatus | Kan-Chuan Cheng, Jyh-Min Lai | 2002-11-26 |