Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883344 | Liquid crystal device having a modified polyvinyl alcohol alignment layer | Kazuo Yoshinaga, Osamu Taniguchi, Hideyuki Kawagishi, Akira Tsuboyama, Yukio Hanyu +2 more | 1989-11-28 |
| 4844590 | Method and apparatus for driving ferroelectric liquid crystal device | Masahiko Enari | 1989-07-04 |
| 4844597 | Liquid crystal device utilizing chiral-smectic and nematic phases for thinner crystal layers | Kazuharu Katagiri, Kazuo Yoshinaga, Junichiro Kanbe | 1989-07-04 |
| 4820026 | Ferroelectric liquid crystal device with modified polyvinyl alcohol alignment film | Kazuo Yoshinaga, Osamu Taniguchi, Hideyuki Kawagishi, Akira Tsuboyama, Yukio Hanyu +2 more | 1989-04-11 |
| 4800382 | Driving method for liquid crystal device | Junichiro Kanbe | 1989-01-24 |