Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10718961 | Spectacle lens | Yoshitaka Matsui, Yoichi Ogo | 2020-07-21 |
| 10054715 | Eyeglass lens having improved heat resistance and scratch resistance | Nobuyuki Tadokoro, Naomi Ogawa, Makoto Adachi, Yuko Komine | 2018-08-21 |
| 9927557 | Eyeglass lens | Nobuyuki Tadokoro, Naomi Ogawa, Makoto Adachi, Yuko Komine | 2018-03-27 |
| 9022585 | Plastic lens | Yoichi Ogo, Kenji Nakamura | 2015-05-05 |