Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11402666 | Spectacle lens and spectacles | Eisaku IWASAKI, Yoichi Ogo, Keiji Nishimoto, Naomi Ogawa | 2022-08-02 |
| 11002991 | Spectacle lens and spectacles | Hitoshi Kamura, Yoichi Ogo, Yoshitaka Matsui | 2021-05-11 |
| 8950861 | Eyeglass lens and method of manufacturing the same | Hisashi Higuchi, Jutathap Wisuthtatip, Toshihide Tsukatani, Xawkat Ahmat, Hirotaka Kinoshita | 2015-02-10 |