Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9557099 | Optical lens and lighting device | Bo Wang, Ka Chun Cheung, Wen Kui Wang | 2017-01-31 |
| 7619749 | Methods and apparatus of aligning surfaces | Chi Fai Cheung, Huifen Li, Wing Bun Lee, Lingbao Kong | 2009-11-17 |
| 7580192 | Collimation lens system for LED | Man Yin Arthur Newton Chu, Jingdong Zhang, Jingbo Jiang | 2009-08-25 |