Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7527862 | Dyes for anisotropic dye films, dye compositions for anisotropic dye films, anisotropic dye films and polarizing elements | Ryuichi Hasegawa, Hideo Sano, Junichi Oizumi, Masaaki Nishimura, Masami Kadowaki | 2009-05-05 |
| 6755903 | Metal chelated dyestuff for inkjet recording and aqueous inkjet recording liquid using the same | Masahiro Yamada, Tomohiro Chino | 2004-06-29 |
| 5876627 | Dichroic dye liquid crystal composition containing the dye, and liquid-crystal element | Masaharu Kaneko | 1999-03-02 |
| 5789556 | Dichroic dye, and liquid-crystal composition and liquid-crystal display element containing the dye | Masaharu Kaneko, Masami Kadowaki | 1998-08-04 |
| 5478384 | Recording liquid | Hiroshi Takimoto, Hideo Sano, Yukichi Murata, Masahiro Yamada | 1995-12-26 |
| 5437716 | Recording liquid | Hideo Sano, Yukichi Murata, Masahiro Yamada | 1995-08-01 |
| 5125968 | Recording liquid for ink jet recording | Hiroshi Takimoto, Akira Kajikawa | 1992-06-30 |
| 5102731 | Recording medium | Hiroshi Takimoto, Hideo Sano, Minoru Masuda | 1992-04-07 |
| 5049188 | Recording liquid | Hiroshi Takimoto, Hideo Sano | 1991-09-17 |
| 5026505 | Guest-host type liquid crystal composition | Masaharu Kaneko, Tetsuo Ozawa, Shuji Imazeki, Akio Mukoh, Mikio Sato | 1991-06-25 |
| 4912000 | Electrophotographic photoreceptor | Minoru Kumakura, Isao Kaetsu, Masahiro Horigome, Tsuneo Isomura, Tadaichi Murata | 1990-03-27 |
| 4841037 | Amino sulfonaphtholtrisazo compounds and recording liquids containing the same | Tokuya Ohta, Masatsune Kobayashi, Yuko Suga, Konoe Miura, Hiroshi Takimoto | 1989-06-20 |
| 4765838 | Water-soluble dye composition and recording liquid containing the same | Tokuya Ohata, Masatsune Kobayashi, Yuko Suga, Konoe Miura, Hiroshi Takimoto | 1988-08-23 |
| 4737310 | Liquid crystal composition containing azo dyes | Shuji Imazeki, Akio Mukoh, Mikio Sato, Masaharu Kaneko, Junko Iwanami | 1988-04-12 |
| 4724001 | Disazoic dye and recording liquid containing the same | Tokuya Ohta, Masatsune Kobayashi, Yuko Suga, Konoe Miura, Hiroshi Takimoto | 1988-02-09 |
| 4610804 | Anthraquinone dyes and liquid crystal compositions including the same | Shuji Imazeki, Akio Mukoh, Mikio Sato, Masaharu Kaneko, Tetsuo Ozawa | 1986-09-09 |
| 4600527 | Liquid crystal composition | Shuji Imazeki, Akio Mukoh, Mikio Sato, Masaharu Kaneko, Junko Iwanami | 1986-07-15 |
| 4588517 | Liquid crystal composition | Masaharu Kaneko, Junko Iwanami, Shuji Imazeki, Akio Mukoh, Mikio Sato | 1986-05-13 |
| 4528113 | Anthraquinone dye and liquid crystal composition containing the dye | Shuji Imazeki, Akio Mukoh, Mikio Sato, Masaharu Kaneko, Tetsuo Ozawa | 1985-07-09 |
| 4507221 | Anthraquinone dye and liquid crystal composition containing the same | Shuji Imazeki, Akio Mukoo, Mikio Sato, Masaharu Kaneko, Tetsuo Ozawa | 1985-03-26 |
| 4493532 | Pleochroic azo dyes, a liquid crystal composition containing the azo dyes and a display device using the liquid crystal composition | Masaharu Kaneko, Tetsuo Ozawa, Shuji Imazeki, Akio Mukoh, Mikio Sato | 1985-01-15 |
| 4454057 | Liquid crystal composition | Masaharu Kaneko, Tetsuo Ozawa, Shuji Imazeki, Akio Mukoh, Mikio Sato | 1984-06-12 |