Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5497257 | Ferroelectric liquid crystal device | Yoshio Hotta, Yukio Hanyu, Tadashi Mihara, Katsutoshi Nakamura | 1996-03-05 |
| 5467209 | Ferroelectric liquid crystal device with particular layer thicknesses at non-pixel portions and pixel portions | Yoshio Hotta, Yukio Hanyu, Tadashi Mihara, Katsutoshi Nakamura | 1995-11-14 |
| 5455695 | Process for producing liquid crystal device including rubbing with two rubbing rollers rotating in same directions at different speeds | Tadashi Mihara, Takatsugu Wada | 1995-10-03 |
| 5452114 | Ferroelectric liquid crystal device with grooves between electrode on one substrate, ridges on the other | Yoshio Hotta, Yukio Hanyu, Tadashi Mihara, Katsutoshi Nakamura | 1995-09-19 |
| 5422750 | Method of rubbing an alignment control film using plural rollers | Kenji Onuma, Masaaki Suzuki | 1995-06-06 |
| 5406397 | Rubbing apparatus, apparatus for producing liquid crystal device and method for producing liquid crystal device | Kimio Takahashi, Yoshio Hotta | 1995-04-11 |
| 5381256 | Ferroelectric liquid crystal device with fine particles on insulator, having diameter less than substrate gap | Yukio Hanyu, Kenji Onuma, Yoshio Hotta, Osamu Taniguchi, Hideaki Takao +5 more | 1995-01-10 |
| 5353141 | Method for aligning treatment of liquid crystal device including varying with time the feeding speed of the rubbing roller | Kenji Onuma, Mayumi Yoshioka, Yukio Hanyu, Takatsugu Wada | 1994-10-04 |
| 5285304 | Ferroelectric liquid crystal device having spacers including the thermosetting adhesive particles and the thermoplastic polymer particles | Yoshio Hotta, Yukio Hanyu, Tadashi Mihara, Katsutoshi Nakamura | 1994-02-08 |
| 5250330 | Liquid crystal device | Masanobu Asaoka | 1993-10-05 |
| 5221981 | Production of liquid crystal device including aligning treatment by rubbing | Masaaki Suzuki, Masanobu Asaoka | 1993-06-22 |