Issued Patents 2024
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12171871 | Contact lens packaging solutions | Junhao Ge, Steve Yun Zhang, Daqing Wu, Jing Cheng, Yuan Chang +2 more | 2024-12-24 |
| 12162987 | Silicone hydrogel contact lenses | Steve Yun Zhang, Daqing Wu, Junhao Ge, Richard Charles Breitkopf, Xinming Qian +6 more | 2024-12-10 |
| 11999908 | Method for making photochromic contact lenses | Frank Chang, Houliang Tang | 2024-06-04 |
| 11952449 | Poly(meth)acrylamide-based copolymers with carboxyl-terminated pendant chains | Frank Chang, Troy Vernon Holland, Chung-Yuan Chiang, John Dallas Pruitt | 2024-04-09 |
| 11926689 | Hydrophilized polydiorganosiloxane vinylic crosslinkers and uses thereof | Jinyu Huang, Frank Chang, Steve Yun Zhang | 2024-03-12 |