Patents per Year
Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 12358247 | Contact lenses with softer lens surfaces | Yongxing Qiu, John Dallas Pruitt, Chung-Yuan Chiang, Paul William Oyler, Robert Carey Tucker | 2025-07-15 | |
| 11459479 | Method for making coated silicone hydrogel contact lenses | Yongxing Qiu, Chung-Yuan Chiang, Newton T. Samuel, Richard Govan | 2022-10-04 | $147,183,000 |
| 11099300 | Method for producing coated silicone hydrogel contact lenses | Yongxing Qiu, Hyeju Kim | 2021-08-24 | $73,618,000 |
| 11029447 | Method for producing MPS-compatible water gradient contact lenses | Yongxing Qiu, John Dallas Pruitt, Newton T. Samuel, Chung-Yuan Chiang, Angela Driver-Scott +1 more | 2021-06-08 | $56,795,000 |