Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12393045 | Optical element and image display apparatus | Fumitake MITOBE, Katsumi Sasata, Hiroshi Sato, Yukito Saitoh | 2025-08-19 |
| 12306375 | Method of manufacturing optical element | Katsumi Sasata, Hiroshi Sato, Yukito Saitoh | 2025-05-20 |
| 12228645 | Distance-measuring sensor | Takao Taguchi, Yukito Saitoh, Hiroshi Sato, Katsumi Sasata | 2025-02-18 |
| 12124061 | Method of forming photo-alignment film and method of forming liquid crystal layer | Fumitake MITOBE, Yukito Saitoh, Hiroshi Sato, Katsumi Sasata | 2024-10-22 |
| 12117694 | Optical element and reflective sheet | Yukito Saitoh | 2024-10-15 |
| 12050335 | Method of manufacturing optical element and optical element | Katsumi Sasata, Yukito Saitoh, Hiroshi Sato | 2024-07-30 |
| 11886071 | Light guide element comprising a diffraction element having a cholesteric liquid crystal layer with a pitch gradient | Fumitake MITOBE, Katsumi Sasata, Yukito Saitoh | 2024-01-30 |
| 11740506 | Wavelength conversion member, backlight unit, and liquid crystal display device | Tatsuya Oba, Hirofumi Toyama, Takashi YONEMOTO | 2023-08-29 |
| 11549054 | Phosphor-containing film and backlight unit | Tatsuya Oba, Hirofumi Toyama | 2023-01-10 |
| 10663800 | Optical sheet member and image display device using same | Katsufumi Ohmuro, Yukito Saitoh | 2020-05-26 |
| 10281769 | Optical sheet member and image display device using same | Katsufumi Ohmuro, Yukito Saitoh | 2019-05-07 |
| 10139535 | Light polarization film, method for manufacturing same, laminate, and method for manufacturing same | Toshio Hara, Hideaki Ito, Yukito Saitoh, Yujiro YANAI | 2018-11-27 |
| 10001673 | Optical sheet member and image display device employing same | Yukito Saitoh, Katsufumi Ohmuro, Hiroshi Sato | 2018-06-19 |
| 10001674 | Brightness enhancement film, optical sheet member, and liquid crystal display device | Jun Takeda, Yuki Matsuda, Nobuyuki AKUTAGAWA, Kotaro Yasuda, Katsufumi Ohmuro +5 more | 2018-06-19 |
| 9933619 | Member for projection image display and projection image display system | Yujiro YANAI, Yukito Saitoh, Mitsuyoshi Ichihashi | 2018-04-03 |
| 9915837 | Optical film, polarizing plate, and liquid crystal display device | Yukito Saitoh, Katsufumi Ohmuro | 2018-03-13 |
| 9829615 | Luminance-enhancing film, optical sheet member, and liquid crystal display device | Yukito Saitoh, Katsufumi Ohmuro, Mitsuyoshi Ichihashi, Hiroyuki Ishikawa, Kotaro Yasuda +3 more | 2017-11-28 |
| 9753198 | Light emitting screen and display apparatus | Yukito Saitoh, Yujiro YANAI, Takashi YONEMOTO | 2017-09-05 |
| 9638953 | Liquid crystal display device | Yukito Saitoh, Katsufumi Ohmuro, Mitsuyoshi Ichihashi | 2017-05-02 |
| 9632229 | Optical film, barrier film, light conversion member, backlight unit, and liquid crystal display device | Naoyoshi YAMADA, Tatsuya Oba, Yukito Saitoh, Katsufumi Ohmuro | 2017-04-25 |
| 8420187 | Cellulose acylate composition, cellulose acylate film, and its applications | Tomoko Imai | 2013-04-16 |
| 8394309 | Resin film and method for producing it, polarizer and liquid crystal display device | Yu Naito, Nobutaka Fukagawa, Yoshio Ishii, Jun Takeda, Masaki Noro +1 more | 2013-03-12 |
| 8337962 | Resin film and method for producing it, polarizer and liquid crystal display device | Yu Naito, Nobutaka Fukagawa, Yoshio Ishii, Jun Takeda, Masaki Noro +1 more | 2012-12-25 |