Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11513258 | Spectacle lens and spectacles | Shunsuke Shioya | 2022-11-29 |
| 11402666 | Spectacle lens and spectacles | Eisaku IWASAKI, Keiji Nishimoto, Kenji Takashiba, Naomi Ogawa | 2022-08-02 |
| 11262601 | Spectacle lens and spectacles | — | 2022-03-01 |
| 11137623 | Spectacle lens and spectacles | — | 2021-10-05 |
| 11002991 | Spectacle lens and spectacles | Hitoshi Kamura, Yoshitaka Matsui, Kenji Takashiba | 2021-05-11 |
| 10718961 | Spectacle lens | Yoshitaka Matsui, Koushi Harada | 2020-07-21 |
| 10690944 | Spectacle lens that reflects blue light, and spectacles equipped with the spectacle lens | Keiji Nishimoto, Naomi Ogawa | 2020-06-23 |
| 9022585 | Plastic lens | Koushi Harada, Kenji Nakamura | 2015-05-05 |