Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8034465 | Phosphorescent oled having double exciton-blocking layers | Liang-Sheng Liao, Xiaofan Ren, Yuan-Sheng Tyan | 2011-10-11 |
| 6882451 | Method and means for determining estimated relative exposure values from optical density values of photographic media | Edward J. Giorgianni, John D. Buhr | 2005-04-19 |