Issued Patents All Time
Showing 76–93 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4965591 | Recording with polymer liquid crystal recording medium | Yutaka Kurabayashi, Toshikazu Ohnishi, Akihiro Mouri, Kazuo Isaka, Shuzo Kaneko +2 more | 1990-10-23 |
| 4946261 | Recording method and recording apparatus | Hisao Yaegashi, Hideaki Mitsutake, Masashi Miyagawa | 1990-08-07 |
| 4892675 | Optically active polymer and liquid crystal composition containing same | Hiroyuki Nohira, Kazutaka Arai | 1990-01-09 |
| 4883344 | Liquid crystal device having a modified polyvinyl alcohol alignment layer | Shinjiro Okada, Osamu Taniguchi, Hideyuki Kawagishi, Akira Tsuboyama, Yukio Hanyu +2 more | 1989-11-28 |
| 4882085 | Lactic acid derivative and liquid crystal composition containing same | Kazuharu Katagiri, Akira Tsuboyama, Hiroyuki Kitayama, Kenji Shinjo, Chieko Hioki | 1989-11-21 |
| 4882715 | Surface acoustic wave convolver with dielectric film of high non-linear effect | Koichi Egara, Norihiro Mochizuki, Kenji Nakamura | 1989-11-21 |
| 4880560 | Lactic acid derivative, liquid crystal composition containing same and liquid crystal device | Kazuharu Katagiri, Kenji Shinjo | 1989-11-14 |
| 4876027 | Optically active composition, mesomorphic compound and liquid crystal device | Kazuharu Katagiri, Toyoko Kobayashi, Kenji Shinjo | 1989-10-24 |
| 4873018 | Optically active compound, process for producing same and liquid crystal composition containing same | Hiroyuki Nohira, Masanao Kamei, Shinichi Nakamura, Mariko Kai, Kazuharu Katagiri | 1989-10-10 |
| 4844597 | Liquid crystal device utilizing chiral-smectic and nematic phases for thinner crystal layers | Kazuharu Katagiri, Shinjiro Okada, Junichiro Kanbe | 1989-07-04 |
| 4820026 | Ferroelectric liquid crystal device with modified polyvinyl alcohol alignment film | Shinjiro Okada, Osamu Taniguchi, Hideyuki Kawagishi, Akira Tsuboyama, Yukio Hanyu +2 more | 1989-04-11 |
| 4816178 | Optically active compound and liquid crystal composition containing same | Kazuharu Katagiri, Kenji Shinjo | 1989-03-28 |
| 4812259 | Lactic acid derivative, liquid crystal composition containing same and liquid crystal device | Kazuharu Katagiri, Kenji Shinjo | 1989-03-14 |
| 4798680 | Optically active compound, process for producing same and liquid crystal composition containing same | Hiroyuki Nohira, Masanao Kamei, Shinichi Nakamura, Mariko Kai, Kazuharu Katagiri | 1989-01-17 |
| 4775223 | Lactic acid derivative, liquid crystal composition containing same and liquid crystal device | Kazuharu Katagiri | 1988-10-04 |
| 4721367 | Liquid crystal device | Akira Tsuboyama, Kazuharu Katagiri, Osamu Taniguchi | 1988-01-26 |
| 4714323 | Ferroelectric liquid crystal device having chiral smectic and nematic liquid crystal composition | Kazuharu Katagiri, Shinjiro Okada, Junichiro Kanbe | 1987-12-22 |
| 4712872 | Liquid crystal device | Junichiro Kanbe | 1987-12-15 |