Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11681163 | Pair of progressive power lenses and design method for the same | Eiichiro YAMAGUCHI, Ayumu Ito | 2023-06-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11681163 | Pair of progressive power lenses and design method for the same | Eiichiro YAMAGUCHI, Ayumu Ito | 2023-06-20 |