Issued Patents 2023
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11833770 | Method for producing embedded or hybrid hydrogel contact lenses | Yang Zheng, Steve Yun Zhang | 2023-12-05 |
| 11833771 | Method for making photochromic contact lenses | Yuan Chang, Steve Yun Zhang, Michelle Plavnik, Yang Zheng, Jing Cheng +1 more | 2023-12-05 |
| 11802182 | Silicone hydrogel contact lenses | Steve Yun Zhang, Daqing Wu, Richard Charles Breitkopf, Xinming Qian, Zach Munoz +6 more | 2023-10-31 |
| 11542353 | Method for producing photochromic contact lenses | Weihong Lang, Steve Yun Zhang, Daqing Wu | 2023-01-03 |