Issued Patents All Time
Showing 1–5 of 5 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, Masayoshi Minai, Takeshi Tani +1 more | 1997-12-02 |
| 5389293 | 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, Masayoshi Minai, Takeshi Tani +1 more | 1995-02-14 |
| 5385693 | Optically active ester derivatives, preparation process thereof, liquid crystal materials and a light switching element | Takayuki Higashii, Isao Kurimoto, Shoji Toda, Masayoshi Minai, Takeshi Tani +2 more | 1995-01-31 |
| 5264151 | Optically active ester derivatives, preparation process thereof, liquid crystal materials and a light switching element | Takayuki Higashi, Isao Kurimoto, Shoji Toda, Masayoshi Minai, Takeshi Tani +2 more | 1993-11-23 |
| 5124070 | Optically active ester derivatives, preparation process thereof, liquid crystal materials and a light switching element | Takayuki Higashii, Isao Kurimoto, Shoji Toda, Masayoshi Minai, Takeshi Tani +2 more | 1992-06-23 |