Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374376 | Optically active aromatic compounds, preparation process therefor, liquid crystal materials and a light switching element | Isao Kurimoto, Shoji Toda, Masayoshi Minai, Shigeaki Chika, Koichi Fujisawa +1 more | 1994-12-20 |
| 5338484 | Optically active benzene derivatives, process for producing the same and liquid-crystalline substances containing said derivatives as active ingredient and optical switching elements | Masayoshi Minai | 1994-08-16 |
| 5332675 | Optically active aromatic carboxylic acid derivatives and process for producing the same | Masayoshi Minai | 1994-07-26 |
| 5326871 | Optically active pyrimidine compound, process for producing the same and liquid crystal composition containing the same | Shoji Toda, Masayoshi Minai, Chizu Sekine, Takeshi Tani, Koichi Fujisawa | 1994-07-05 |