Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374376 | Optically active aromatic compounds, preparation process therefor, liquid crystal materials and a light switching element | Takayuki Higashii, Isao Kurimoto, Shoji Toda, Masayoshi Minai, Shigeaki Chika +1 more | 1994-12-20 |
| 5326871 | Optically active pyrimidine compound, process for producing the same and liquid crystal composition containing the same | Takayuki Higashii, Shoji Toda, Masayoshi Minai, Chizu Sekine, Takeshi Tani | 1994-07-05 |