Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11187921 | Anti-myopia-progression spectacles and associated methods | Yan Zhou | 2021-11-30 |
| 11000186 | Systems and methods for retarding myopia progression | — | 2021-05-11 |
| 10921612 | Spectacles and associated methods for presbyopia treatment and myopia progression control | Yan Zhou | 2021-02-16 |