Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6014195 | LCD device with polarizers having polarizing and transmittance characteristics | Katsuhito Sakamoto, Satoru Shimoda, Hisashi Aoki, Soichi Sato, Tetsushi Yoshida | 2000-01-11 |
| 5796378 | Birifringence control type liquid crystal display device and apparatus and method of driving the same | Tetsushi Yoshida, Soichi Sato | 1998-08-18 |
| 5745200 | Color liquid crystal display device and liquid crystal display apparatus | Tetsushi Yoshida, Hisashi Aoki | 1998-04-28 |
| 5737047 | Color liquid crystal display device with optical axes of retardation polarization plates set in an opposite direction of twist direction of LC molecules | Katsuhito Sakamoto, Satoru Shimoda | 1998-04-07 |
| 5724112 | Color liquid crystal apparatus | Tetsushi Yoshida, Hisashi Aoki | 1998-03-03 |
| 5680188 | Reflective liquid crystal display device | Tetsushi Yoshida, Jiro Takei | 1997-10-21 |
| 5629783 | Active matrix polymer dispersed liquid crystal display device with flourescent film | Minoru Kanbara, Tetsushi Yoshida, Jiro Takei | 1997-05-13 |
| 5559615 | Polymer dispersed liquid crystal display device | Jiro Takei, Tetsushi Yoshida | 1996-09-24 |
| 5548426 | Liquid crystal display device | Takashi Miyashita, Yoshinaga Miyazawa | 1996-08-20 |
| 5440413 | Liquid crystal display device with 2 adjacent biaxial retardation plates having N.sub.y <N.sub.z <N.sub.x | Takashi Miyashita | 1995-08-08 |
| 5227903 | Liquid crystal display device with at least one biaxial retardation film having n.sub.x >n.sub.z >n.sub.y | Yoshinaga Miyazawa, Takashi Miyashita | 1993-07-13 |
| 5184236 | Twisted nematic liquid crystal display device with retardation plates having phase axis direction within 15.degree. of alignment direction | Takashi Miyashita, Yoshinaga Miyazawa | 1993-02-02 |