Issued Patents 2023
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11852940 | Optically anisotropic film, optical element, and optical system | Takashi YONEMOTO, Hiroshi Sato, Yuki Fukushima, Mitsuyoshi Ichihashi, Keisuke KODAMA +2 more | 2023-12-26 |
| 11835823 | Transmissive liquid crystal diffraction element | Hiroshi Sato, Takashi YONEMOTO | 2023-12-05 |
| 11835744 | Sensor | Hiroshi Sato, Katsumi Sasata | 2023-12-05 |
| 11828960 | Cholesteric liquid crystal layer, method of forming cholesteric liquid crystal layer, laminate, light guide element, and image display device | Katsumi Sasata, Hiroshi Sato | 2023-11-28 |
| 11815706 | Method of manufacturing optical element and optical element | Hiroshi Sato | 2023-11-14 |
| 11796854 | Optical member and image display apparatus | Hiroshi Sato, Katsumi Sasata | 2023-10-24 |
| 11796880 | Liquid crystal diffraction element and laminated diffraction element | Katsumi Sasata, Hiroshi Sato | 2023-10-24 |
| 11782196 | Cholesteric liquid crystal layer and method for forming cholesteric liquid crystal layer | Katsumi Sasata, Hiroshi Sato | 2023-10-10 |
| 11714302 | Optical element and light guide element | Hiroshi Sato | 2023-08-01 |
| 11693278 | Liquid crystal diffraction element and method for producing liquid crystal diffraction element | Keisuke KODAMA, Hiroshi Sato, Katsumi Sasata | 2023-07-04 |
| 11650448 | Liquid crystal diffraction element and light guide element | Katsumi Sasata, Hiroshi Sato | 2023-05-16 |
| 11630308 | Optical element, light guide element, and image display device | Hiroshi Sato, Ayako MURAMATSU, Daisuke Kashiwagi, Katsumi Sasata | 2023-04-18 |
| 11609476 | Light deflection device and optical device | Hiroshi Sato | 2023-03-21 |
| 11592700 | Light guide element comprising incidence, intermediate, and emission diffraction eelments provided on a light guide plate and image display apparatus | Hiroshi Sato, Katsumi Sasata | 2023-02-28 |