Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8796053 | Photolithographic LED fabrication using phase-shift mask | Andrew M. Hawryluk, Warren W. Flack | 2014-08-05 |
| 8781213 | Optical alignment systems for forming LEDs having a rough surface | Khiem Nguyen, Warren W. Flack, Andrew M. Hawryluk | 2014-07-15 |
| 8323857 | Phase-shift mask with assist phase regions | Warren W. Flack | 2012-12-04 |
| 8088633 | Optical alignment methods for forming LEDs having a rough surface | Khiem Nguyen, Warren W. Flack, Andrew M. Hawryluk | 2012-01-03 |