Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6549255 | Liquid crystal device and a method for producing it having directly controllable dynamic surface-director alignment layer | Bengt Stebler, Torbjörn Lagerwall, Lachezar Komitov | 2003-04-15 |
| 6329026 | Compositions containing chiral compounds and nematic liquid crystals, and devices using them | Ryokichi Tarao, Hiroyuki Takeuchi, Kazutoshi Miyazawa | 2001-12-11 |
| 5686018 | Nematic liquid crystal composition | Itsuo Shimizu, Youji Terui | 1997-11-11 |
| 5539556 | Light-scattering mode liquid crystal display device, and a process for production thereof, having a transparent insoluble liquid material | Etsuo Nakagawa | 1996-07-23 |
| 4961876 | Liquid crystalline ferroelectric derivatives of branched acyclic alpha-chlorocarboxylic acids | Horst Zaschke, Wolfgang Weissflog, Kristina Mohr, Saskia Kohler, Kerstin Worm | 1990-10-09 |
| 4952699 | Liquid-crystalline, 2,5-disubstituted, 1,3,4-thiadiazoles with extended smectic C phases | Bak G Yong, Horst Kresse, Annelore Madicke, Gerhard Pelzl, Wolfgang Schafer +2 more | 1990-08-28 |
| 4767565 | Switching time shortening dopants for liquid crystalline mixtures | Anton Hauser, Michael Keil | 1988-08-30 |
| 4734217 | Liquid crystalline 2,6-disubstituted-trans-1,3-dioxadecalins | Horst Zaschke, Carsten Tschierske, Maike Hettrich | 1988-03-29 |
| 4668426 | Liquid crystalline substances | Horst Zaschke, Reinhard Paschke, Adalbert Wiegeleben | 1987-05-26 |
| 4626375 | Liquid crystalline substances | Roger Frach, Hans-Joachim Deutscher, Horst Zaschke | 1986-12-02 |
| 4615824 | Mixing component for liquid crystal substances | Horst Zaschke, Gerhard Pelzl, Carsten Tschierske | 1986-10-07 |
| 4610805 | Nematic liquid crystal mixtures | Michael Schellenberger, Sabine Richter, Hans-Joachim Deutscher, Horst Zaschke | 1986-09-09 |
| 4601846 | Liquid crystal substances for the guest-host effect | Horst Zaschke, Gerhard Pelzl, Hartmut Enzenberg, Andreas Isenberg | 1986-07-22 |
| 4597892 | Liquid crystalline 2-substituted-5-(1-alkyl-piperid-4-yl)-1,3-dioxanes | Horst Zaschke, Hans-Matthias Vorbrodt, Wilfried Fuchs, Adelbert Wiegeleben | 1986-07-01 |
| 4585576 | Liquid-crystal nematic substances | Horst Zaschke, Sabine Richter, Hans-Joachim Deutscher, Adelbert Wiegeleben | 1986-04-29 |
| 4565881 | Liquid crystal substituted 1,3-dioxanes and mixtures containing them | Horst Zaschke, Hans-Matthias Vorbrodt, Horst Kresse, Wolfgang Weissflog | 1986-01-21 |
| 4560496 | Liquid crystalline nematic compounds | Horst Zaschke, Heinz Altmann, Michael Keil | 1985-12-24 |
| 4521327 | Nematic liquid crystals and method for production thereof | Hans-Matthias Vorbrodt, Anton Hauser, Jörg Vogel, Horst Zaschke | 1985-06-04 |
| 4519936 | Nematic liquid crystals and method of production | Wolfgang Weissflog, Horst Kresse | 1985-05-28 |
| 4490278 | Liquid crystal substituted trans-4-n-alkylcyclohexanes and subst.-3-subst.-benzoyloxy-[trans-4-n-alkylcyclohexane]s | Herrmann Schubert, Hans-Joachim Deutscher, Horst Kresse, Heinz Altmann, Marlies Korber +1 more | 1984-12-25 |
| 4486332 | Liquid crystalline nematic substances | Horst Zaschke, Hans-Matthias Vorbrodt, Sylvia Deresh | 1984-12-04 |
| 4438268 | Liquid crystal substances | Horst Zaschke, Wolfgang Schafer, Hans-Joachim Deutscher, Gerhard Pelzl | 1984-03-20 |
| 4421670 | Liquid crystal dihydrophenanthrene substances | Hans-Joachim Deutscher, Sabine Richter, Horst Zaschke, Ute Boettger | 1983-12-20 |
| 4391730 | Nematic liquid crystal compounds and use and device for using the same | Frank Kuschel, Doris Pfeiffer, Hans-Joachim Deutscher | 1983-07-05 |
| 4363767 | Esters of 4-[2,2-dicyano-ethenyl]-phenols | Wolfgang Weissflog, Horst Zaschke, Rudolf Wolff, Horst Kresse | 1982-12-14 |