Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6693223 | Fluorine-substituted-4-alkenylbenzoic acid and derivatives thereof, and nematic liquid crystal composition containing cyanophenyl benzoate derivatives and liquid crystal display system using the same | Haruyoshi Takatsu, Sadao Takehara, Masashi Osawa | 2004-02-17 |
| 6607791 | Liquid crystal composition | Shinji Ogawa, Masashi Osawa, Hiroyuki Ohnishi, Haruyoshi Takatsu, Shotaro Kawakami +1 more | 2003-08-19 |
| 6582626 | Polymerizable compound, polymerizable liquid crystal composition containing the same, and optically anisotropic medium made from the composition | Hiroshi Hasebe, Sadao Takehara | 2003-06-24 |
| 6287646 | Fluorine-substituted-4-alkenylbenzoic acid and derivatives thereof, and nematic liquid crystal composition containing cyanophenyl benzoate derivatives and liquid crystal display system using the same | Haruyoshi Takatsu, Sadao Takehara, Masashi Osawa | 2001-09-11 |
| 6010642 | Azine derivative, process for the preparation thereof, nematic liquid crystal composition and liquid crystal display system comprising same | Haruyoshi Takatsu, Sadao Takehara, Makoto Negishi, Norie Osawa, Masashi Osawa +2 more | 2000-01-04 |
| 5863457 | Polymerizable liquid crystal composition and optically anisotropic film comprising the same | Hiroshi Hasebe, Haruyoshi Takatsu | 1999-01-26 |
| 5374371 | Liquid crystal device | Haruyoshi Takatsu | 1994-12-20 |
| 5327271 | Liquid crystal device employing polymer network on one substrate and alignment layer or polymer network on other substrate | Haruyoshi Takatsu, Yasuo Umezu | 1994-07-05 |
| 5315024 | Cyano-substituted compound containing ether bond | Haruyoshi Takatsu, Makoto Sasaki | 1994-05-24 |
| 5296952 | Double-layer liquid crystal device having a three dimensional network structure | Haruyoshi Takatsu, Yasuo Umezu | 1994-03-22 |
| 5266235 | Phenylbicyclohexanol ester derivative | Haruyoshi Takatsu, Yuji Tamura | 1993-11-30 |
| 5208386 | Fluorine-substituted compound containing ether bond | Makoto Sasaki, Haruyoshi Takatsu | 1993-05-04 |
| 5178794 | Alkylene glycol derivative and liquid crystal mixture containing the same | Haruyoshi Takatsu, Makoto Sasaki | 1993-01-12 |
| 5171472 | Phenylcyclohexyldioxane derivatives having an ether bond for electro-optical displays | Yasuyuki Tanaka, Haruyoshi Takatsu, Martin Schadt, Richard Buchecker | 1992-12-15 |
| 5166448 | Intermediate for preparing fluorine-substituted compound containing ether bond | Makoto Sasaki, Haruyoshi Takatsu | 1992-11-24 |
| 5152920 | Phenylbicyclohexanol ester derivative | Haruyoshi Takatsu, Yuji Tamura | 1992-10-06 |
| 5068462 | Fluorine-substituted compound containing ether bond and intermediate thereof | Makoto Sasaki, Haruyoshi Takatsu | 1991-11-26 |
| 4964616 | Tricyclic cyclohexenyl cyclohexane derivative | Yasuyuki Tanaka, Yuji Tamura | 1990-10-23 |
| 4431853 | Dicyclohexylethane derivatives | Hisato Sato, Haruyoshi Takatsu, Yutaka Fujita, Masayuki Tazume, Hiroyuki Ohnishi | 1984-02-14 |