Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12370766 | Formulation dosing device for contact lens fabrication | Michelle Plavnik, Junhao Ge, Steve Yun Zhang, Yang Zheng, Yuan Chang | 2025-07-29 |
| 12360289 | Method for making embedded hydrogel contact lenses | Yuan Chang, Junhao Ge, Ying Pi, Cornelius Daniel Niculas, Yang Zheng +4 more | 2025-07-15 |
| 12270968 | Weekly and monthly disposable water gradient contact lenses | Yongxing Qiu, John Dallas Pruitt, Newton T. Samuel, Chung-Yuan Chiang, Robert Carey Tucker +1 more | 2025-04-08 |
| 11933941 | Weekly and monthly disposable water gradient contact lenses | Yongxing Qiu, John Dallas Pruitt, Newton T. Samuel, Chung-Yuan Chiang, Robert Carey Tucker +1 more | 2024-03-19 |
| 11256003 | Weekly and monthly disposable water gradient contact lenses | Yongxing Qiu, John Dallas Pruitt, Newton T. Samuel, Chung-Yuan Chiang, Robert Carey Tucker +1 more | 2022-02-22 |