Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9733494 | Free form lens design and method for preventing and/or slowing myopia progression | Khaled Chehab, Xu Cheng, Kurt John Moody, Jeffrey H. Roffman, Xin Wei | 2017-08-15 |
| 9638936 | High plus treatment zone lens design for preventing and/or slowing myopia progression | Khaled Chehab, Xu Cheng, Michael J. Collins, Manwai Charis Lau, Eric R. Ritchey +1 more | 2017-05-02 |
| 9625739 | Pupil size-independent lens design and method for preventing and/or slowing myopia progression | Khaled Chehab, Michael J. Collins, Xin Wei | 2017-04-18 |
| 9594259 | Mask lens design and method for preventing and/or slowing myopia progression | Khaled Chehab, Xu Cheng, Kurt John Moody, Jeffrey H. Roffman, Xin Wei | 2017-03-14 |