Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11029540 | Spectacle lens and method of using a spectacle lens | Chi Ho To, Takashi Hatanaka, Yasutake Masuda | 2021-06-08 |
| 10898407 | Methods and viewing systems for inhibiting ocular refractive disorders from progressing | Yan Yin Tse, Chi Ho To | 2021-01-26 |