Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693253 | Optically anisotropic material, process for producing it, and retardation plate and liquid crystal device using same | Toshihiro Ohnishi, Takanobu Noguchi, Masato Kuwabara, Koji Higashi, Makoto Namioka | 1997-12-02 |
| 5688436 | Optically anisotropic material, process for producing it, and retardation plate and liquid crystal display device using same | Toshihiro Ohnishi, Takanobu Noguchi, Masato Kuwabara, Koji Higashi, Makoto Namioka | 1997-11-18 |
| 5658505 | Process for making a phase retarder film | Koji Higashi | 1997-08-19 |
| 5631755 | Layered inorganic compound-containing phase retarder | Taiichi Sakaya, Toshiya Kuroda, Koji Higashi, Tadashi Shindo | 1997-05-20 |