Issued Patents All Time
Showing 51–75 of 150 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 11539035 | Optical device | Hiroshi Sato | 2022-12-27 |
| 11480716 | Optical element that functions as a liquid crystal diffraction lattice | Hiroshi Sato | 2022-10-25 |
| 11474287 | Optical element | Hiroshi Sato, Ayako MURAMATSU | 2022-10-18 |
| 11460729 | Optical element and sensor | Hiroshi Sato | 2022-10-04 |
| 11454752 | Optical element, method for forming photo-alignment pattern, and method for manufacturing optical element | Katsumi Sasata, Ryoji GOTO, Hiroshi Sato | 2022-09-27 |
| 11435629 | Optical element, light guide element, and image display device | Hiroshi Sato, Katsumi Sasata | 2022-09-06 |
| 11385390 | Optical element and light guide element | Hiroshi Sato | 2022-07-12 |
| 11333933 | Method of manufacturing optical element and optical element | Hiroshi Sato | 2022-05-17 |
| 11333813 | Optical film and method for producing optical film | Kunihiro Atsumi, Teruki Niori, Shinichi Morishima | 2022-05-17 |
| 11322727 | Optical device | Hiroshi Sato | 2022-05-03 |
| 11294198 | Optical apparatus for displaying an image in the air | Naoyoshi YAMADA, Takashi YONEMOTO, Hirofumi Toyama | 2022-04-05 |
| 11287685 | Optical element and image display device | Hiroshi Sato, Katsumi Sasata | 2022-03-29 |
| 11280944 | Optical element | Hiroshi Sato | 2022-03-22 |
| 11249323 | Optical film, lamination-type optical film, and aerial imaging device including lamination-type optical film | Daisuke Kashiwagi, Hirofumi Toyama, Naoyoshi YAMADA, Takashi YONEMOTO, Eiichiro Aminaka | 2022-02-15 |
| 11243343 | Backlight unit and liquid crystal display device | Shinya Watanabe, Megumi SEKIGUCHI, Yujiro YANAI, Naoyoshi YAMADA | 2022-02-08 |
| 11169389 | Optical laminate | Kunihiro Atsumi, Naoyoshi YAMADA, Daisuke Kashiwagi, Shigeaki Nimura, Mitsuyoshi Ichihashi +1 more | 2021-11-09 |