Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12066700 | Viewing angle control system and image display device | Shinichi Yoshinari, Naoya Nishimura, Naoya Shibata, Shinya Watanabe | 2024-08-20 |
| 11249323 | Optical film, lamination-type optical film, and aerial imaging device including lamination-type optical film | Yukito Saitoh, Daisuke Kashiwagi, Hirofumi Toyama, Naoyoshi YAMADA, Takashi YONEMOTO | 2022-02-15 |
| 8233116 | Polarizing plate and liquid crystal display | Hiroyuki Kawanishi | 2012-07-31 |
| 8174648 | Cellulose acylate film, process for producing the same, and polarizing plate and liquid crystal display device having the same | — | 2012-05-08 |
| 8049850 | Liquid crystal display device, optical compensatory sheet, and polarizer and liquid crystal display device employing the same | Susumu Sugiyama, Hajime Nakayama, Yukito Saitoh | 2011-11-01 |
| 7777845 | Liquid crystal display | Yukito Saitoh | 2010-08-17 |
| 7573544 | Polarizing plate comprising light-scattering polarizing element and light-absorbing polarizing element | Yoji Ito, Ichiro Amimori | 2009-08-11 |
| 7118786 | Optical compensatory sheet comprising transparent support and optically anisotropic layer | Hideyuki Nishikawa, Ken Kawata | 2006-10-10 |
| 6559912 | Polarizer with protective film consisting of one cellulose acetate film having particular parameters | — | 2003-05-06 |
| 6485798 | Optical compensatory sheet comprising substrate and optically anisotropic layer | Ken Kawata, Shigeki Yokoyama, Mitsuyoshi Ichihashi | 2002-11-26 |
| 6476892 | Optical compensatory sheet consisting of one cellulose acetate film | — | 2002-11-05 |
| 6380996 | Optical compensatory sheet and liquid crystal display | Shigeki Yokoyama, Ken Kawata, Hideyuki Nishikawa, Koshin Matsuoka, Yoji Ito | 2002-04-30 |
| 6081312 | Homeotropic liquid crystal cell with one or more compensator plates with a small birefringence | Yosuke Nishiura, Ichiro Amimori | 2000-06-27 |
| 6064457 | Liquid crystal display with ellipsoidal polarizing plate having an optically anisotropic layer transparent substrate and a polarizing membrane | — | 2000-05-16 |