Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5866037 | Liquid crystal compositions and liquid crystal display elements containing same | Takaaki Shimizu, Tsutomu Ogihara, Tatsushi Kaneko, Toshiaki Takahashi, Takeshi Kinsho +2 more | 1999-02-02 |
| 5851426 | Twisted nematic liquid crystal composition containing a silacyclohexane compound | Takaaki Shimizu, Tatsushi Kaneko, Tsutomu Ogihara | 1998-12-22 |
| 5762826 | Liquid crystal composition and a liquid crystal display element which contains it | Takaaki Shimizu, Tatsushi Kaneko, Tsutomu Ogihara, Takeshi Kinsho, Kazuyuki Asakura | 1998-06-09 |
| 5730902 | Optically active silacyclohexane compounds, liquid crystal compositions comprising the same and liquid crystal display devices comprising the compositions | Takaaki Shimizu, Tsutomu Ogihara, Tatsushi Kaneko | 1998-03-24 |
| 5693841 | Cyclohexanone compounds, process for preparing the same, and processes for preparing silacyclohexane-based liquid crystal compounds from the cyclohexanone compounds | Takeshi Kinsho, Takaaki Shimizu, Tsutomu Ogihara, Tatsushi Kaneko | 1997-12-02 |
| 5679746 | Silacyclohexane compound, a method of preparing it and a liquid crystal composition containing it | Takaaki Shimizu, Tsutomu Ogihara, Kazuyuki Asakura, Takeshi Kinsho, Tatsushi Kaneko | 1997-10-21 |
| 5665271 | Silacyclohexane compounds, preparation thereof, liquid crystal compositions comprising the same, and liquid crystal devices comprising the compositions | Tsutomu Ogihara, Takaaki Shimizu, Takeshi Kinsho, Tatsushi Kaneko, Kazuyuki Asakura | 1997-09-09 |
| 5650092 | Silacyclohexane compounds, a liquid crystal composition comprising the same and a liquid crystal device comprising the composition | Takaaki Shimizu, Takeshi Kinsho, Tsutomu Ogihara, Tatsushi Kaneko, Hideshi Kurihara | 1997-07-22 |
| 5641430 | Silacyclohexane compounds, preparation thereof, liquid crystal compositions comprising the same, and liquid crystal devices comprising the compositions | Takaaki Shimizu, Tsutomu Ogihara, Takeshi Kinsho, Tatsushi Kaneko, Kazuyuki Asakura +1 more | 1997-06-24 |
| 5641431 | Silacyclohexanone compound and a method of preparing a silacyclohexane-type liquid crystal composition containing it | Takeshi Kinsho, Takaaki Shimizu, Tsutomu Ogihara, Ryuichi Saito, Kazuyuki Asakura | 1997-06-24 |
| 5624601 | Silacyclohexane compounds, a liquid crystal composition comprising the same and a liquid crystal device comprising the composition | Takaaki Shimizu, Takeshi Kinsho, Tsutomu Ogihara, Tatsushi Kaneko, Hideshi Kurihara | 1997-04-29 |
| 5595686 | Silacyclohexane compounds, a liquid crystal composition comprising the same and a liquid crystal device comprising the composition | Takaaki Shimizu, Takeshi Kinsho, Tsutomu Ogihara, Tatsushi Kaneko, Hideshi Kurihara | 1997-01-21 |
| 5582765 | Triflate compounds and process for preparing silacyclohexane-based liquid crystal compounds from the triflate compounds | Takeshi Kinsho, Takaaki Shimizu, Tsutomu Ogihara, Tatsushi Kaneko | 1996-12-10 |
| 5582764 | Silacyclohexane compound, a method of preparing it and a liquid crystal composition containing it | Takaaki Shimizu, Tsutomu Ogihara, Takeshi Kinsho, Tatsushi Kaneko, Hideshi Kurihara | 1996-12-10 |
| 5578244 | Silacyclohexane compound, a method of preparing it and a liquid crystal composition containing it | Takaaki Shimizu, Takeshi Kinsho, Tsutomu Ogihara, Tatsushi Kaneko, Hideshi Kurihara | 1996-11-26 |
| 5560866 | Process for preparing silacyclohexane compounds | Tsutomu Ogihara, Takaaki Shimizu, Takeshi Kinsho, Tatsushi Kaneko | 1996-10-01 |
| 5527490 | Silacyclohexane carbaldehyde compounds and processes for preparing silacyclohexane-based liquid crystal compounds from the carbaldehyde compound | Takeshi Kinsho, Takaaki Shimizu, Tsutomu Ogihara, Tatsushi Kaneko | 1996-06-18 |
| 5523440 | Silacyclohexane compound, a method of preparaing it and a liquid crystal composition containing it | Takaaki Shimizu, Tsutomu Ogihara, Takeshi Kinsho, Tatsushi Kaneko, Hideshi Kurihara | 1996-06-04 |
| 5519156 | Cyclohexane carbaldehyde compounds and processes for preparing silacyclohexane-based liquid crystal compounds from the carbaldehyde | Takeshi Kinsho, Takaaki Shimizu, Tsutomu Ogihara, Tatsushi Kaneko | 1996-05-21 |
| 5514824 | Process for preparing silacyclohexane-base liquid crystal compounds | Takeshi Kinsho, Takaaki Shimizu, Tsutomu Ogihara, Tatsushi Kaneko | 1996-05-07 |