Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8906262 | Metal silicate halide phosphors and LED lighting devices using the same | Yongchi Tian, Perry Niel Yocom, Sawsan Aziz, Olga Zakharov | 2014-12-09 |
| 8242525 | Silicate-based phosphors and LED lighting devices using the same | Yongchi Tian, Perry Niel Yocom, Olga Zakharov, Alan C. Thomas | 2012-08-14 |
| 7713442 | Metal silicate halide phosphors and LED lighting devices using the same | Yongchi Tian, Olga Zakharov | 2010-05-11 |