Issued Patents All Time
Showing 1–19 of 19 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 |
| 12287503 | Light-absorbing composition and optical filter | Katsuhide Shimmo, Lei Cai, Yoshihiro TAKAYANAGI, Hitomi MASUDA | 2025-04-29 |
| 12287501 | Light-absorbing composition, light-absorbing film, and optical filter | Katsuhide Shimmo, Lei Cai, Hitomi MASUDA | 2025-04-29 |
| 12129402 | Liquid composition for optical filters and optical filter | Lei Cai, Hitomi MASUDA, Katsuhide Shimmo | 2024-10-29 |
| 12071542 | Light-absorbing composition and optical filter | — | 2024-08-27 |
| 12072517 | Light-absorbing composition and method of manufacturing | — | 2024-08-27 |
| 11885993 | Optical filter and method of manufacturing | — | 2024-01-30 |
| 11873385 | Infrared-cut filter | Katsuhide Shimmo | 2024-01-16 |
| 11592603 | Optical filter | — | 2023-02-28 |
| 11585968 | Optical filter and camera-equipped information device | — | 2023-02-21 |
| 11535726 | Ultraviolet- and infrared-absorbing composition and ultraviolet- and infrared-absorbing filter | Katsuhide Shimmo | 2022-12-27 |
| 11300719 | Light-absorbing composition and optical filter | Katsuhide Shimmo | 2022-04-12 |
| 10830931 | Infrared cut filter, imaging device, and method for producing infrared cut filter | Katsuhide Shimmo | 2020-11-10 |
| 10809427 | Infrared-absorbing composition, infrared-cut filter, and imaging optical system | Katsuhide Shimmo | 2020-10-20 |
| 10795066 | Infrared-cut filter and imaging optical system | Katsuhide Shimmo, Lei Cai | 2020-10-06 |
| 10745541 | Composition for infrared-absorbing layers, infrared-cut filter, and imaging apparatus | Katsuhide Shimmo | 2020-08-18 |
| 9188720 | Infrared cut filter and imaging apparatus | Mitsuhiro Kawazu, Katsuhide Shimmo | 2015-11-17 |