Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8658748 | Silicone hydrogel contact lenses having acceptable levels of energy loss | Ronghua Liu, Xinfeng Shi, Charlie Chen, Ye Hong, Charles A. Francis +3 more | 2014-02-25 |
| 8642677 | Phosphine-containing hydrogel contact lenses | Guigui Wang, Yun Zhang, Ye Hong, Charlie Chen, Peter Zhu | 2014-02-04 |
| 8513325 | Silicone hydrogel contact lenses and related compositions and methods | Charlie Chen, Ye Hong, Charles A. Francis, Li Yao, Arthur Back | 2013-08-20 |
| 8487058 | Wettable silicone hydrogel contact lenses | Charlie Chen, Charles A. Francis, Junhao Ge, Yuan Xu, Li Yao +2 more | 2013-07-16 |
| 8481662 | Silicone hydrogel contact lenses having acceptable levels of energy loss | Ronghua Liu, Xinfeng Shi, Charlie Chen, Ye Hong, Charles A. Francis +3 more | 2013-07-09 |
| 8011784 | Polymerizable contact lens formulations and contact lenses obtained therefrom | — | 2011-09-06 |