Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8696172 | Lens and lamp using the same | Shih-Feng Chen, Han-Tsung Hsueh | 2014-04-15 |
| 8662715 | Optical lens module and lighting apparatus having the same | Han-Tsung Hsueh, Shih-Feng Chen | 2014-03-04 |
| 8480265 | Lens structure | Han-Tsung Hsueh | 2013-07-09 |
| 7749872 | Crystalline-type device and approach therefor | James D. Plummer, Peter B. Griffin, Shu-Lu Chen | 2010-07-06 |