Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149197 | Persistent infrared phosphors | Satish Agrawal | 2021-10-19 |
| 9683169 | Smoothing phosphors for AC LED lighting | — | 2017-06-20 |
| 8932486 | Persistent phosphors of alkaline earths modified by halides and 3d ions | — | 2015-01-13 |
| 8758646 | Phosphorescent compositions, methods of making the compositions, and methods of using the compositions | Xiaojun Wang, William M. Yen, George D. Jia, Linda A. Lewis | 2014-06-24 |
| 8329061 | Phosphorescent phosphors | — | 2012-12-11 |
| 8323528 | Phosphorescent compositions, methods of making the compositions, and methods of using the compositions | Xiaojun Wang, William M. Yen, George D. Jia | 2012-12-04 |
| 6953536 | Long persistent phosphors and persistent energy transfer technique | William M. Yen, Dongdong Jia, Xiao Wang | 2005-10-11 |
| 6267911 | Phosphors with long-persistent green phosphorescence | William M. Yen, Lizhu Lu, Huabiao Yuan | 2001-07-31 |
| 6117362 | Long-persistence blue phosphors | William M. Yen, Lizhu Lu, Huabiao Yuan | 2000-09-12 |