Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12180190 | Additive for imparting ultraviolet absorbency and/or high refractive index to matrix, and resin member using same | Koji Kawai, Kotaro Kaneko, Nobuhiro Kaneko, Kuniyoshi Okamoto | 2024-12-31 |
| 11945802 | Additive for imparting ultraviolet absorbency and/or high refractive index to matrix, and resin member using same | Koji Kawai, Kotaro Kaneko, Nobuhiro Kaneko, Kuniyoshi Okamoto | 2024-04-02 |
| 11401400 | Plastic lens | Shingo Ono, Koji Kawai, Kotaro Kaneko, Nobuhiro Kaneko | 2022-08-02 |
| 11370780 | Additive for imparting ultraviolet absorbency and/or high refractive index to matrix, and resin member using same | Koji Kawai, Kotaro Kaneko, Nobuhiro Kaneko, Kuniyoshi Okamoto | 2022-06-28 |
| 11186568 | Additive for imparting ultraviolet absorbency and/or high refractive index to matrix, and resin member using same | Koji Kawai, Kotaro Kaneko, Nobuhiro Kaneko, Kuniyoshi Okamoto | 2021-11-30 |
| 10316024 | Additive for imparting ultraviolet absorbency and/or high refractive index to matrix, and resin member using same | Koji Kawai, Kotaro Kaneko, Nobuhiro Kaneko, Kuniyoshi Okamoto | 2019-06-11 |