Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11209589 | Optical imaging system | Tao Liu, Brent A. Hedding, Brian W. Ostlie | 2021-12-28 |
| 11199654 | Lightguide having recess of varying depth | Tao Liu, Yongshang Lu, Brian W. Ostlie | 2021-12-14 |
| 11125929 | Display system | Tao Liu, Brian W. Ostlie, Brent A. Hedding, Charlie C. Ho, Yongshang Lu +2 more | 2021-09-21 |
| 10935713 | Unitary lightguide | Tao Liu, Yongshang Lu, Brian W. Ostlie | 2021-03-02 |