Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4997942 | 2,4-disubstituted pyrazine derivatives, pyrimidine derivatives, and liquid crystal containing the same | Masashi Osawa, Tadao Shoji, Sadao Takehara, Hiroshi Ogawa, Takeshi Kuriyama +1 more | 1991-03-05 |
| 4943386 | Liquid crystalline compounds having substituents | Sadao Takehara, Yoshi Arai, Jitsuo Kurokawa | 1990-07-24 |
| 4914224 | Optically active carboxylic acid derivatives and liquid crystalline compositions comprising them | Tadao Shoji, Sadao Takehara, Masashi Osawa, Hiroshi Ogawa, Yoshi Arai +1 more | 1990-04-03 |
| 4911862 | Optically active carboxylic acid derivatives and liquid crystalline compositions comprising them | Tadao Shoji, Sadao Takehara, Masashi Osawa, Hiroshi Ogawa, Yoshi Arai +1 more | 1990-03-27 |
| 4828754 | Novel liquid crystalline compounds having substituents | Sadao Takehara, Yoshi Arai, Jitsuo Kurokawa | 1989-05-09 |