Issued Patents 1997
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690858 | Mesomorphic compound, liquid crystal composition and liquid crystal device | Hiroyuki Nohira, Michihiro Yamada | 1997-11-25 |
| 5671033 | Liquid crystal device having mixture of cholesteric and smectic liquid crystals and alignment treatment on only one substrate | Kazuharu Katagiri, Shinjiro Okada, Junichiro Kanbe | 1997-09-23 |
| 5666589 | Electrophotographic apparatus and image forming method using a photosensitive member with exposure characteristics responsive to field intensity | Yukio Nagase, Hajime Miyazaki, Teigo Sakakibara, Yuichi Hashimoto, Yoshio Kashizaki +2 more | 1997-09-09 |
| 5650863 | Image reading and copying using plural illumination sources having different characteristics | Tsutomu Utagawa, Shinobu Arimoto, Toshio Hayashi, Takehiko Nakai, Tetsuya Nagase +1 more | 1997-07-22 |
| 5648830 | Liquid crystal device having composition of at least two smectic compounds and one cholesteric compound | Kazuharu Katagiri, Shinjiro Okada, Junichiro Kanbe | 1997-07-15 |
| 5637253 | Chiral smectic liquid crystal compound, chain polymeric liquid crystal copolymer compound, their polymeric liquid crystal composition, a polymeric liquid crystal device which uses them, and apparatus and method which uses the same | Koichi Sato, Yomishi Toshida, Takeo Eguchi | 1997-06-10 |
| 5631750 | Scattering type liquid crystal device | Nobuo Minoura, Hidetoshi Suzuki, Katsumi Kurematsu, Hideaki Mitsutake | 1997-05-20 |
| 5631723 | Image processing apparatus for determining whether an image contains a particular pattern using invisible light | Shinobu Arimoto, Katsuichi Shimizu, Yutaka Komiya, Toshio Hayashi, Takehiko Nakai +3 more | 1997-05-20 |
| 5626797 | Non linear optical material and method for orientation thereof | Seizo Miyata, Takeshi Miyazaki | 1997-05-06 |
| 5617187 | Image reading apparatus, copying apparatus, image processing apparatus, and image processing method | Toshio Hayashi, Shinobu Arimoto, Takehiko Nakai, Tsutomu Utagawa, Tetsuya Nagase +1 more | 1997-04-01 |
| 5614125 | Polymeric liquid-crystal compound, polymeric liquid-crystal composition, and polymeric liquid-crystal device | Koichi Sato, Yomishi Toshida, Takeo Eguchi | 1997-03-25 |
| 5604614 | Liquid crystal device with one liquid crystal showing a cholesteric phase and one showing a chiral smectic phase | Kazuharu Katagiri, Shinjiro Okada, Junichiro Kanbe | 1997-02-18 |
| 5592315 | Liquid crystal device and liquid crystal apparatus | Kazuharu Katagiri, Shinjiro Okada, Junichiro Kanbe | 1997-01-07 |