Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9157584 | White phosphors, methods of making white phosphors, white light emitting LEDS, methods of making white light emitting LEDS, and light bulb structures | William M. Yen, Zhiyi He, Sergei Basun, Xiao Wang | 2015-10-13 |
| 9011717 | White phosphors, methods of making white phosphors, white light emitting LEDs, methods of making white light emitting LEDs, and light bulb structures | William M. Yen, Zhiyi He, Sergei Basun, Xiao Wang | 2015-04-21 |
| 8236199 | Phosphorescent/fluorescent compositions and methods | Thomas E. Mahany, William M. Yen | 2012-08-07 |
| 8044419 | White phosphors, methods of making white phosphors, white light emitting LEDS, methods of making white light emitting LEDS, and light bulb structures | William M. Yen, Zhiyi He, Sergei Basun, Xiao Wang | 2011-10-25 |