Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11129523 | Visual function examination system and optical characteristic calculation system | Yoshiki Nakamura, Sueko Kanaya, Noriaki Asada, Akinori Nagatomo, Taizo Nishimoto | 2021-09-28 |
| 10429635 | Color changeable optical filter and eyeglasses including same | Hironori Kuboi, Hidetaka Tsukada | 2019-10-01 |