Issued Patents 2024
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12171871 | Contact lens packaging solutions | Steve Yun Zhang, Daqing Wu, Jing Cheng, Yuan Chang, Feng Jing +2 more | 2024-12-24 |
| 12162987 | Silicone hydrogel contact lenses | Steve Yun Zhang, Daqing Wu, Richard Charles Breitkopf, Xinming Qian, Zach Munoz +6 more | 2024-12-10 |
| 11975499 | Method for making photochromic contact lenses | Yuan Chang, Steve Yun Zhang | 2024-05-07 |
| 11945895 | Photochromic polydiorganosiloxane vinylic crosslinkers | Yuan Chang, Steve Yun Zhang, Weihong Lang | 2024-04-02 |
| 11945181 | Method for making photochromic contact lenses | Yuan Chang, Steve Yun Zhang, Michelle Plavnik, Augustine Twum Kumi, Daqing Wu | 2024-04-02 |
| 11931454 | Wet-packed soft hydrogel ocular inserts | Steve Yun Zhang, Daqing Wu, Jing Cheng | 2024-03-19 |
| 11927512 | Method for determining coating thickness on coated contact lenses | Yuan Chang, Ying Zheng, Steve Yun Zhang, Karen Belinda Sentell, Jinbo Dou | 2024-03-12 |
| 11886045 | Method for making photochromic contact lenses | Yuan Chang, Steve Yun Zhang, Michelle Plavnik, Augustine Twum Kumi | 2024-01-30 |