Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5238601 | Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same | Kenji Shinjo, Takao Takiguchi, Hiroyuki Kitayama, Kazuharu Katagiri, Masahiro Terada +1 more | 1993-08-24 |
| 5186858 | Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same | Masahiro Terada, Takeshi Togano, Kazuharu Katagiri, Takao Takiguchi, Kenji Shinjo +2 more | 1993-02-16 |
| 5183586 | Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same | Masahiro Terada, Takeshi Togano, Takashi Iwaki, Shosei Mori, Kenji Shinjo | 1993-02-02 |
| 5173211 | Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same | Takeshi Togano, Masahiro Terada, Akio Yoshida, Yoshiko Kimura, Kenji Shinjo +2 more | 1992-12-22 |
| 5165076 | Ferroelectric liquid crystal device with particular primer alignment, and liquid crystal layers | Akira Tsuboyama, Yutaka Inaba, Akio Yoshida, Yukio Hanyu, Toshiharu Uchimi | 1992-11-17 |
| 5143643 | Optically active mesomorphic compound | Takashi Iwaki, Kenji Shinjo, Akio Yoshida, Kazuharu Katagiri, Chieko Hioki +3 more | 1992-09-01 |
| 5139697 | Liquid crystal composition and liquid crystal device using same | Takeshi Togano, Masahiro Terada, Shosei Mori, Takashi Iwaki | 1992-08-18 |
| 5119219 | Liquid crystal apparatus and chiral smectic liquid crystal composition for use therein | Masahiro Terada, Shosei Mori, Shinichi Nakamura, Kenji Shinjo, Kazuharu Katagiri | 1992-06-02 |
| 5099344 | Ferroelectric liquid crystal device | Akira Tsuboyama, Yutaka Inaba, Akio Yoshida, Yukio Hanyu, Toshiharu Uchimi | 1992-03-24 |
| 4883344 | Liquid crystal device having a modified polyvinyl alcohol alignment layer | Shinjiro Okada, Kazuo Yoshinaga, Osamu Taniguchi, Hideyuki Kawagishi, Akira Tsuboyama +2 more | 1989-11-28 |
| 4820026 | Ferroelectric liquid crystal device with modified polyvinyl alcohol alignment film | Shinjiro Okada, Kazuo Yoshinaga, Osamu Taniguchi, Hideyuki Kawagishi, Akira Tsuboyama +2 more | 1989-04-11 |
| 4788119 | Electrophotographic photosensitive member containing a disazo pigment | Hajime Miyazaki, Takao Takiguchi, Masakazu Matsumoto, Masaaki Hiro, Shozo Ishikawa | 1988-11-29 |
| 4760003 | Electrophotographic photosensitive member containing disazo compound | Masakazu Matsumoto, Takao Takiguchi, Shoji Umehara, Shozo Ishikawa, Hajime Miyazaki | 1988-07-26 |
| 4743523 | Photosensitive member for electrophotography | Takao Takiguchi, Shoji Umehara, Masakazu Matsumoto, Shozo Ishikawa | 1988-05-10 |
| 4735882 | Trisazo photsensitive member for electrophotography | Takao Takiguchi, Shoji Umehara, Masakazu Matsumoto, Shozo Ishikawa | 1988-04-05 |
| 4717636 | Electrophotographic photosensitive member containing polyvinylarylal | Hideyuki Takahashi, Masakazu Matsumoto, Minoru Mabuchi | 1988-01-05 |
| 4702982 | Electrophotographic photosensitive member comprising disazo pigment | Masakazu Matsumoto, Takao Takiguchi, Shoji Umehara, Shozo Ishikawa | 1987-10-27 |
| 4666809 | Electrophotographic photosensitive member | Masakazu Matsumoto | 1987-05-19 |
| 4666810 | Photosensitive member for electrophotography comprising azo pigments | Shoji Umehara, Masakazu Matsumoto, Takao Takiguchi, Shozo Ishikawa | 1987-05-19 |
| 4571369 | Photoconductive film and electrophotographic photosensitive member using said film comprising silylated azo pigment | — | 1986-02-18 |