Issued Patents 2025
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392946 | Optical filter and light-absorbing composition | Hisao IMAI | 2025-08-19 |
| 12338341 | Infrared-cut filter | Katsuhide Shimmo | 2025-06-24 |
| 12313869 | Optical filter, optical device, and light-absorbing composition | Katsuhide Shimmo | 2025-05-27 |
| 12287501 | Light-absorbing composition, light-absorbing film, and optical filter | Katsuhide Shimmo, Lei Cai, Hitomi MASUDA | 2025-04-29 |
| 12287503 | Light-absorbing composition and optical filter | Katsuhide Shimmo, Lei Cai, Yoshihiro TAKAYANAGI, Hitomi MASUDA | 2025-04-29 |