Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9574038 | Contact lenses made with HEMA-compatible polysiloxane macromers | Hiroyuki Ueyama, Charlie Chen, Yuwen Liu, Ying Zheng, Paul Richardson +1 more | 2017-02-21 |
| 9453110 | Contact lenses made with HEMA-compatible polysiloxane macromers | Hiroyuki Ueyama, Charlie Chen, Yuwen Liu, Ying Zheng, Paul Richardson +1 more | 2016-09-27 |
| 9322959 | Contact lenses made with HEMA-compatible polysiloxane macromers | Hiroyuki Ueyama, Charlie Chen, Yuwen Liu, Ying Zheng, Paul Richardson +1 more | 2016-04-26 |
| 9296159 | Silicone hydrogel contact lenses | Ying Zheng, Junhao Ge, Charles A. Francis, Yuan Sun, Yuwen Liu +5 more | 2016-03-29 |
| 9217813 | Silicone hydrogel contact lenses | Yuwen Liu, Junhao Ge, Charlie Chen, Li Yao, Arthur Back +1 more | 2015-12-22 |
| 9140908 | Silicone hydrogel contact lenses | Junhao Ge, Yuwen Liu, Charlie Chen, Ye Hong, Hongjin Qiu | 2015-09-22 |
| 9121998 | Silicone hydrogel contact lenses | Charlie Chen, Yuwen Liu, Ying Zheng, Junhao Ge, Li Yao +1 more | 2015-09-01 |
| 9057822 | Silicone hydrogel contact lenses | Yuwen Liu, Ye Hong, Junhao Ge, Charlie Chen, Charles A. Francis +2 more | 2015-06-16 |
| 8865929 | Reactive dyes for contact lenses | Charlie Chen, Charles A. Francis, Shane Mao, Hong Xue, Xining Zhang | 2014-10-21 |
| 8658747 | Wettable silicone hydrogel contact lenses | Yuwen Liu, Charlie Chen, Charles A. Francis, Junhao Ge, Li Yao +2 more | 2014-02-25 |
| 8487058 | Wettable silicone hydrogel contact lenses | Yuwen Liu, Charlie Chen, Charles A. Francis, Junhao Ge, Li Yao +2 more | 2013-07-16 |
| 8445614 | Dimensionally stable silicone hydrogel contact lenses | Charles A. Francis, Ying Zheng, Li Yao, Arthur Back, Ye Hong +1 more | 2013-05-21 |