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 | Shinjiro Okada, Kazuo Yoshinaga, Osamu Taniguchi, Hideyuki Kawagishi, Yukio Hanyu +2 more | 1989-11-28 |
| 4882085 | Lactic acid derivative and liquid crystal composition containing same | Kazuo Yoshinaga, Kazuharu Katagiri, Hiroyuki Kitayama, Kenji Shinjo, Chieko Hioki | 1989-11-21 |
| 4846560 | Liquid crystal device with ferroelectric liquid crystal oriented at non-pixel portions | Hiroyuki Kitayama, Osamu Taniguchi | 1989-07-11 |
| 4820026 | Ferroelectric liquid crystal device with modified polyvinyl alcohol alignment film | Shinjiro Okada, Kazuo Yoshinaga, Osamu Taniguchi, Hideyuki Kawagishi, Yukio Hanyu +2 more | 1989-04-11 |
| 4796979 | Ferroelectric liquid crystal device having dual laminated alignment films | — | 1989-01-10 |