Issued Patents 2025
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12391014 | Method for making embedded hydrogel contact lenses | Jing Cheng, Michelle Plavnik, Ya-Wen Chang, Steve Yun Zhang | 2025-08-19 |
| 12392931 | Method for producing wettable silicone hydrogel contact lenses | Daqing Wu, Steve Yun Zhang, Junhao Ge, Jack W. Trieu | 2025-08-19 |
| 12369774 | Endoscope forceps elevator, endoscope distal end and duodenoscope system | Keduan Xu, Gongan Wu | 2025-07-29 |
| 12286501 | Hydrophilized polydiorganosiloxane vinylic crosslinkers and uses thereof | Jinyu Huang, Frank Chang, Steve Yun Zhang | 2025-04-29 |
| 12247169 | Method for making photochromic contact lenses | Frank Chang, Houliang Tang | 2025-03-11 |