Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693251 | Optically active benzene derivatives, process for producing the same and liquid-crystalline composition containing said derivatives as liquid-crystalline compound and light switching elements | Takayuki Higashii, Isao Kurimoto, Shoji Toda, Takeshi Tani, Chizu Kawakami +1 more | 1997-12-02 |
| 5662828 | Compound having unsaturated side chain, process for preparing the same, liquid crystalline polymer prepared from the same, liquid crystal mixture and display element | Yoshiaki Tsubata, Kayoko Ueda, Koichi Fujisawa, Takayuki Higashii, Naoyuki Takano +1 more | 1997-09-02 |
| 5658489 | Diphenylacetylene compound, process for preparing the same and liquid crystal composition and element comprising the same | Takayuki Higashii, Yukari Fujimoto, Tsutomu Matsumoto | 1997-08-19 |
| 5659051 | Process of producing 2-cyano-4-oxo-4H-benzopyran compounds | Takayuki Higashii, Hideki Ushio, Yukari Fujimoto, Tsutomu Matsumoto, Katsuichi Yasunaga +2 more | 1997-08-19 |
| 5637736 | Process for preparing 1-bromoalkylbenzene derivatives and intermediates thereof | Hiroaki Fujishima, Yasunobu Miyamoto, Tsutomu Matsumoto, Hideki Ushio, Takayuki Higashii | 1997-06-10 |
| 5621129 | Optically active tertiary phosphine compound, transition metal complex comprising the same as ligand and process for preparing optically active organic silicon compound using said transition metal complex | Tamio Hayashi, Kazunori Iwakura | 1997-04-15 |