Issued Patents All Time
Showing 51–75 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5311343 | Liquid crystal device with at least two liquid crystal compounds, one having and one not having a chiral smectic phase | Kazuharu Katagiri, Shinjiro Okada, Junichiro Kanbe | 1994-05-10 |
| 5301049 | Liquid crystal device with at least two liquid crystal compounds, one having one not having a cholesteric phase | Kazuharu Katagiri, Shinjiro Okada, Junichiro Kanbe | 1994-04-05 |
| 5285298 | Color display apparatus | Shuzo Kaneko, Kazuo Isaka, Takashi Kai, Yomishi Toshida | 1994-02-08 |
| 5272552 | Optical modulation device and method using modulation layer of helical polymer liquid crystal having a helical chiral smectic C phase | Yutaka Kurabayashi, Kazuo Isaka, Shuzo Kaneko, Akihiro Mouri, Yomishi Toshida +2 more | 1993-12-21 |
| 5268783 | Liquid crystal device including a polymer having a surface energy of at most 25 dyn/cm, display apparatus using same and display method using same | Yomishi Toshida, Toshikazu Ohnishi, Koichi Sato, Takeo Eguchi, Tsuyoshi Shibata | 1993-12-07 |
| 5258134 | Main chain-type chiral smectic polymer liquid crystal and polymer liquid crystal device | Yutaka Kurabayashi, Koichi Sato, Takeo Eguchi, Yomishi Toshida | 1993-11-02 |
| 5252251 | Mesomorphic polymer, monomeric mesomorphic compounds, liquid crystal composition and liquid crystal device | Koichi Sato, Yutaka Kurabayashi, Yomishi Toshida | 1993-10-12 |
| 5185097 | Polymeric liquid-crystalline compound, liquid-crystal composition containing it, and liquid-crystal drive | Yomishi Toshida, Koichi Sato | 1993-02-09 |
| 5171470 | Bifunctional optically active liquid crystal intermediate compound, and process for preparing same | Hiroyuki Nohira, Takahiro Ishizuka | 1992-12-15 |
| 5167857 | Lactic acid derivative, liquid crystal composition containing same and liquid crystal device | Kazuharu Katagiri | 1992-12-01 |
| 5164741 | Apparatus and method for forming color image | Shuzo Kaneko, Toshikazu Ohnishi, Takashi Kai | 1992-11-17 |
| 5140447 | Display medium having a colored polymer liquid crystal layer | Shuzo Kaneko, Kazuo Isaka, Akihiro Mouri, Toshikazu Ohnishi, Yutaka Kurabayashi +2 more | 1992-08-18 |
| 5123731 | Particle measuring device | Moritoshi Miyamoto | 1992-06-23 |
| 5120466 | Fluid crystal device | Kazuharu Katagiri, Shinjiro Okada, Junichiro Kanbe | 1992-06-09 |
| 5114613 | Lactic acid derivative and liquid crystal composition containing same | Kazuharu Katagiri, Akira Tsuboyama, Hiroyuki Kitayama, Kenji Shinjo, Chieko Hioki | 1992-05-19 |
| 5066107 | Liquid crystal display medium, liquid crystal display method and liquid crystal display apparatus for outputting color images | Shuzo Keneko, Takashi Kai, Kazuo Isaka, Toshikazu Ohnishi | 1991-11-19 |
| 5059000 | Image forming medium and image forming apparatus using same | Shuzo Kaneko, Akihiro Mouri, Kazuo Isaka, Toshikazu Ohnishi, Yomishi Toshida +2 more | 1991-10-22 |
| 5041369 | Photosensitive material and image forming method | Tetsuro Fukui, Hideaki Mitsutake, Katsuya Oikawa, Shinsuke Takeuchi, Takeshi Miyazaki +4 more | 1991-08-20 |
| 5039208 | Polymer liquid crystal device | Toshikazu Ohnishi, Takeshi Miyazaki, Yutaka Kurabayashi | 1991-08-13 |
| 5037582 | Nonlinear optical material and method for orientation thereof | Seizo Miyata, Takeshi Miyazaki | 1991-08-06 |
| 5038166 | Optical image recording apparatus | Kazuo Isaka, Shuzo Kaneko, Akihiro Mouri, Toshikazu Ohnishi, Yutaka Kurabayashi +2 more | 1991-08-06 |
| 5034152 | Optically active compound and liquid crystal composition containing same | Kazuharu Katagiri, Kenji Shinjo | 1991-07-23 |
| 5011623 | Nonlinear optical material and nonlinear optical device | Takashi Kai, Koichi Egara, Yomishi Toshida, Hideaki Mitsutake, Koichi Sato +1 more | 1991-04-30 |
| 4995705 | Device, method and apparatus for optical modulation using ferroelectric polymer liquid crystals | Takeshi Miyazaki, Toshikazu Ohnishi, Yutaka Kurabayashi, Yoshio Takasu, Tadashi Kobayashi | 1991-02-26 |
| 4979805 | Ferroelectric liquid crystal device containing optically active azo or azoxy benzene type mesomorphic compound with extended life | Kazuharu Katagiri | 1990-12-25 |