Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5119221 | Liquid crystal display device comprising improved alignment layers for liquid crystal | Keizo Nakajima, Shigehiro Sato, Shoichi Ishihara, Yoshihiro Matsuo | 1992-06-02 |
| 4778619 | Liquid crystal compositions | Shoichi Ishihara, Yoshihiro Matsuo | 1988-10-18 |