Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883344 | Liquid crystal device having a modified polyvinyl alcohol alignment layer | Shinjiro Okada, Kazuo Yoshinaga, Osamu Taniguchi, Hideyuki Kawagishi, Akira Tsuboyama +2 more | 1989-11-28 |
| 4879059 | Liquid crystal device | Yukiko Futami | 1989-11-07 |
| 4820026 | Ferroelectric liquid crystal device with modified polyvinyl alcohol alignment film | Shinjiro Okada, Kazuo Yoshinaga, Osamu Taniguchi, Hideyuki Kawagishi, Akira Tsuboyama +2 more | 1989-04-11 |