Issued Patents 2024
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12111443 | Method for making photochromic contact lenses | Richard Charles Breitkopf, Steve Yun Zhang, Zahra Bassampour, Chandana Kolluru | 2024-10-08 |
| 11945181 | Method for making photochromic contact lenses | Junhao Ge, Yuan Chang, Steve Yun Zhang, Augustine Twum Kumi, Daqing Wu | 2024-04-02 |
| 11886045 | Method for making photochromic contact lenses | Yuan Chang, Junhao Ge, Steve Yun Zhang, Augustine Twum Kumi | 2024-01-30 |