Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12390100 | Measuring method for measuring sensing capability of eye of subject, and setting method for progressive power lens | Eiichiro YAMAGUCHI, Ayumu Ito, Nagisa Ishihara | 2025-08-19 |
| 12353065 | Spectacle lens and method for designing the same | Hua Qi | 2025-07-08 |
| 12310662 | Measuring method for measuring rotation characteristic of eyeball of subject and setting method for progressive power lens | Nagisa Ishihara, Eiichiro YAMAGUCHI, Ayumu Ito | 2025-05-27 |