Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372703 | Optical system | Yukito Saitoh, Yohei HAMACHI, Makoto Ishiguro | 2025-07-29 |
| 12343952 | Method for producing light absorption anisotropic film | Naoki KOITO, Yumi Kato, Naoyoshi YAMADA | 2025-07-01 |
| 12271096 | Transmission type liquid crystal diffraction element, optical element, image display unit, head-mounted display, beam steering, and sensor | Hiroshi Sato, Yukito Saitoh | 2025-04-08 |
| 12189229 | Liquid crystal diffraction element comprising an optical axis derived from a liquid crystal compound that continuously rotates in at least one in-plane direction, image display apparatus, and head mounted display | Masaaki Suzuki, Koji Iijima, Hiroshi Sato, Ayato Sekine | 2025-01-07 |
| 12181771 | Transmissive liquid crystal diffraction element | Yukito Saitoh, Hiroshi Sato | 2024-12-31 |
| 12025820 | Transmissive liquid crystal diffraction element | Yukito Saitoh, Hiroshi Sato | 2024-07-02 |
| 11988857 | Optical system | Yukito Saitoh, Yohei HAMACHI, Makoto Ishiguro | 2024-05-21 |
| 11977290 | Liquid crystal diffraction element, optical element, image display unit, head-mounted display, beam steering, and sensor | Hiroshi Sato, Yukito Saitoh, Makoto Ishiguro | 2024-05-07 |
| 11914172 | Light absorbing body-containing film and backlight unit | Hirofumi Toyama, Tatsuya Oba | 2024-02-27 |
| 11852940 | Optically anisotropic film, optical element, and optical system | Yukito Saitoh, Hiroshi Sato, Yuki Fukushima, Mitsuyoshi Ichihashi, Keisuke KODAMA +2 more | 2023-12-26 |
| 11835823 | Transmissive liquid crystal diffraction element | Yukito Saitoh, Hiroshi Sato | 2023-12-05 |
| 11822107 | Light absorption anisotropic film, laminate, and image display device | Naoki KOITO, Tetsuro Otsuka, Jun Takeda | 2023-11-21 |
| 11740506 | Wavelength conversion member, backlight unit, and liquid crystal display device | Akiko WATANO, Tatsuya Oba, Hirofumi Toyama | 2023-08-29 |
| 11665950 | Electroluminescent display device | — | 2023-05-30 |
| 11635558 | Optical laminate and image display device | Naoki KOITO, Shun INOUE | 2023-04-25 |
| 11378838 | Method for manufacturing optical laminate, optical laminate, and image display device | Naoya Shibata, Naoya Nishimura, Wataru HOSHINO, Yuzo FUJIKI | 2022-07-05 |
| 11294198 | Optical apparatus for displaying an image in the air | Naoyoshi YAMADA, Hirofumi Toyama, Yukito Saitoh | 2022-04-05 |
| 11249323 | Optical film, lamination-type optical film, and aerial imaging device including lamination-type optical film | Yukito Saitoh, Daisuke Kashiwagi, Hirofumi Toyama, Naoyoshi YAMADA, Eiichiro Aminaka | 2022-02-15 |
| 11131800 | Backlight unit and liquid crystal display device | Hirofumi Toyama, Naoyoshi YAMADA | 2021-09-28 |
| 10781369 | Wavelength conversion member and backlight unit | — | 2020-09-22 |
| 10393926 | Optical conversion member, method for manufacturing optical conversion member, backlight unit including optical conversion member, and liquid crystal display device | Yukito Saitoh, Megumi SEKIGUCHI | 2019-08-27 |
| 10274782 | Backlight unit, liquid crystal display device, and wavelength conversion member | Eijiro IWASE, Koichi Sato | 2019-04-30 |
| 10267973 | Wavelength conversion member, backlight unit, polarizing plate, liquid crystal panel, and liquid crystal display device | Yukito Saitoh, Yujiro YANAI, Naoyoshi YAMADA | 2019-04-23 |
| 10175528 | Liquid crystal panel, liquid crystal display device, and reflective polarizing plate and manufacturing method thereof | Katsufumi Ohmuro, Yukito Saitoh | 2019-01-08 |
| 9946110 | Liquid crystal display | Hiromichi FURUKAWA, Takahiro Ohno, Megumi SEKIGUCHI, Mitsuo Osato, Kenichi Fukuda +1 more | 2018-04-17 |