Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5231528 | Ferroelectric liquid crystal components having high spontaneous polarization and low helical pitch | Claus Escher, Wolfgang Hemmerling, Gerhard Illian, Mikio Murakami | 1993-07-27 |
| 5206751 | Process for the production of an impact-resistant liquid crystal switching and display device | Claus Escher, Gerhard Illian, Norbert Rosch | 1993-04-27 |
| 5178792 | Macrocyclic compounds as component for ferroelectric liquid crystal mixtures | Norbert Rosch, Peter Wegener | 1993-01-12 |
| 5167856 | Ionophore-containing ferroelectric liquid crystal mixtures | Norbert Rosch, Rainer Wingen | 1992-12-01 |
| 5118538 | Electrically conductive polymers and their use as orienting layer in liquid-crystal switching and display elements | Claus Escher, Hans-Rolf Dubal, Michael Feldhues, Gerhard Illian, Thomas Mecklenburg +3 more | 1992-06-02 |
| 4989955 | Liquid crystal electro-optical element and process for preparation thereof | Kokichi Ito, Koichiro Oka, Hiroyuki Ikeuchi | 1991-02-05 |
| 4980082 | Ferroelectric SmC liquid crystal composition which comprises pyrimidinylphenyl ester compounds | Kazumasa Ohba, Hiroshi Nonoguchi, Masaaki Taguchi | 1990-12-25 |
| 4939003 | Liquid crystal element | Takao Aoki, Kokichi Ito, Koji Iwasa, Norio Kawabe, Hiroyuki Ikeuchi | 1990-07-03 |
| 4793693 | Ferro-electric liquid crystal electro-optical device having a drive voltage with DC and chopping components | Sadashi Shimoda, Masaaki Taguchi, Kokichi Ito | 1988-12-27 |
| 4792211 | Ferroelectric liquid crystal electro-optical device having high water repellent alignment layer | Masaaki Taguchi, Sadashi Shimoda, Koukichi Ito | 1988-12-20 |
| 4762400 | Ferroelectric liquid crystal electro-optical device having half-select voltage to maximize contrast | Sadashi Shimoda, Masaaki Taguchi, Kokichi Ito | 1988-08-09 |
| 4725688 | Liquid crystal compound | Masaaki Taguchi, Hitoshi Suenaga | 1988-02-16 |
| 4715688 | Ferroelectric liquid crystal display device having an A.C. holding voltage | Masaaki Tagushi, Koji Iwasa | 1987-12-29 |
| 4693563 | Ferro-electric liquid crystal electro-optical device | Masaaki Taguchi | 1987-09-15 |
| 4662721 | Ferro-electric liquid crystal electro-optical device | Masaaki Taguchi, Kokichi Ito | 1987-05-05 |
| 4633012 | Liquid crystal compound | Masaaki Taguchi, Hitoshi Suenaga | 1986-12-30 |
| 4408201 | Electro-optic display device using phase transition mode liquid crystal | — | 1983-10-04 |