Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11137623 | Spectacle lens and spectacles | — | 2021-10-05 |
| 11002991 | Spectacle lens and spectacles | Hitoshi Kamura, Yoshitaka Matsui, Kenji Takashiba | 2021-05-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11137623 | Spectacle lens and spectacles | — | 2021-10-05 |
| 11002991 | Spectacle lens and spectacles | Hitoshi Kamura, Yoshitaka Matsui, Kenji Takashiba | 2021-05-11 |