Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10490597 | Pixel array of ultraviolet light emitting devices | Douglas A. Collins, Li Zhang | 2019-11-26 |
| 10454005 | Ultraviolet emitting device with shaped encapsulant | Saijin Liu, Douglas A. Collins | 2019-10-22 |
| 10224443 | Semiconductor device and a method of making a semiconductor device | Douglas A. Collins, Robert C. Walker, Yitao Liao | 2019-03-05 |
| 10062817 | Ultraviolet emitting device with shaped encapsulant | Saijin Liu, Douglas A. Collins | 2018-08-28 |
| 9627579 | Semiconductor device and a method of making a semiconductor device | Douglas A. Collins, Robert C. Walker, Yitao Liao | 2017-04-18 |
| 9455300 | Pixel array of ultraviolet light emitting devices | Douglas A. Collins, Li Zhang | 2016-09-27 |
| 9219204 | Semiconductor device and a method of making a semiconductor device | Douglas A. Collins, Robert C. Walker, Yitao Liao | 2015-12-22 |