Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882085 | Lactic acid derivative and liquid crystal composition containing same | Kazuo Yoshinaga, Kazuharu Katagiri, Akira Tsuboyama, Kenji Shinjo, Chieko Hioki | 1989-11-21 |
| 4846560 | Liquid crystal device with ferroelectric liquid crystal oriented at non-pixel portions | Akira Tsuboyama, Osamu Taniguchi | 1989-07-11 |
| 4818078 | Ferroelectric liquid crystal optical modulation device and driving method therefor for gray scale display | Akihiro Mouri, Shuzo Kaneko, Tohru Takahashi, Masahiko Enari, Mitsutoshi Kuno +1 more | 1989-04-04 |