Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11029540 | Spectacle lens and method of using a spectacle lens | Chi Ho To, Siu Yin Lam, Takashi Hatanaka | 2021-06-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11029540 | Spectacle lens and method of using a spectacle lens | Chi Ho To, Siu Yin Lam, Takashi Hatanaka | 2021-06-08 |