Issued Patents All Time
Showing 26–50 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5447658 | Tricyclic fluorobenzonitrile derivatives | Richard Buchecker, Teodor Lukac, Martin Schadt, Alois Villiger | 1995-09-05 |
| 5399689 | Chlorophenylalkoxyalkyl compounds | Richard Buchecker, Martin Schadt | 1995-03-21 |
| 5374371 | Liquid crystal device | Kiyofumi Takeuchi | 1994-12-20 |
| 5327271 | Liquid crystal device employing polymer network on one substrate and alignment layer or polymer network on other substrate | Kiyofumi Takeuchi, Yasuo Umezu | 1994-07-05 |
| 5321169 | Cyclohexane derivatives | Yasuyuki Tanaka, Kiyohumi Takeuchi, Yuji Tamura | 1994-06-14 |
| 5315024 | Cyano-substituted compound containing ether bond | Makoto Sasaki, Kiyofumi Takeuchi | 1994-05-24 |
| 5304323 | Liquid crystal devices and process for producing the same | Yoshi Arai, Toru Fujisawa, Kiyohumi Takeuchi, Koichiro Adachi, Hiroshi Ogawa +1 more | 1994-04-19 |
| 5296952 | Double-layer liquid crystal device having a three dimensional network structure | Kiyofumi Takeuchi, Yasuo Umezu | 1994-03-22 |
| 5266235 | Phenylbicyclohexanol ester derivative | Kiyofumi Takeuchi, Yuji Tamura | 1993-11-30 |
| 5208386 | Fluorine-substituted compound containing ether bond | Makoto Sasaki, Kiyofumi Takeuchi | 1993-05-04 |
| 5178794 | Alkylene glycol derivative and liquid crystal mixture containing the same | Makoto Sasaki, Kiyofumi Takeuchi | 1993-01-12 |
| 5171472 | Phenylcyclohexyldioxane derivatives having an ether bond for electro-optical displays | Yasuyuki Tanaka, Kiyofumi Takeuchi, Martin Schadt, Richard Buchecker | 1992-12-15 |
| 5166448 | Intermediate for preparing fluorine-substituted compound containing ether bond | Makoto Sasaki, Kiyofumi Takeuchi | 1992-11-24 |
| 5152920 | Phenylbicyclohexanol ester derivative | Kiyofumi Takeuchi, Yuji Tamura | 1992-10-06 |
| 5089629 | Fluorine-substituted cyclohexylcyclohexene derivative | Yasuyuki Tanaka, Kiyohumi Takeuchi, Yuuji Tamura | 1992-02-18 |
| 5068462 | Fluorine-substituted compound containing ether bond and intermediate thereof | Makoto Sasaki, Kiyofumi Takeuchi | 1991-11-26 |
| 4961874 | Optically active tolan derivatives | Kiyohumi Takeuchi, Makoto Sasaki | 1990-10-09 |
| 4946986 | Cyclohexene derivatives | Yasuyuki Tanaka, Kiyohumi Takeuchi, Yuji Tamura | 1990-08-07 |
| 4910350 | Fluorine-substituted cyclohexylcyclohexene derivative | Yasuyuki Tanaka, Kiyohumi Takeuchi, Yuuji Tamura | 1990-03-20 |
| 4880936 | Optically active pyridines useful in liquid crystal form for electrical display devices | Makoto Sasaki, Kiyohumi Takeuchi | 1989-11-14 |
| 4820878 | Tolan-type nematic liquid crystalline compounds | Makoto Sasaki, Yasuyuki Tanaka, Hisato Sato | 1989-04-11 |
| 4814516 | Novel optically active tolan derivatives | Kiyohumi Takeuchi, Makoto Sasaki | 1989-03-21 |
| 4814523 | Nematic liquid crystal compound of four ring systems | Yasuyuki Tanaka, Kiyohumi Takeuchi, Yuji Tamura | 1989-03-21 |
| 4788363 | Nematic methyltolans | Yuji Tamura, Kunihiko Kotani | 1988-11-29 |
| 4764636 | Optically active benzoic ester derivatives | Makoto Sasaki, Kiyohumi Takeuchi | 1988-08-16 |