Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11306897 | Lighting systems generating partially-collimated light emissions | Elizabeth Rodgers, Paul Kenneth Pickard, Sana Ashraf, Xin Zhang, Richard Wu +1 more | 2022-04-19 |
| 10871271 | Diverging TIR facet LED optics producing narrow beams with color consistency | Dennis Pearson, Michael D. Bremser, Thomas Lueken | 2020-12-22 |
| 6869298 | Fluorescent lamp socket system | — | 2005-03-22 |
| 6357894 | Lighting fixture having fluorescent source | Wai-Lam Chu | 2002-03-19 |
| 6033093 | Outdoor lighting device | Wai-Lam Chu | 2000-03-07 |
| 5918969 | Lighting fixture having fluorescent source | Wai-Lam Chu | 1999-07-06 |