Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7740696 | Water-soluble azo compound, ink composition, and colored article | Shinjiro Takahashi, Yoshiyuki Dejima | 2010-06-22 |
| 7503965 | Azo compound, ink composition, and colored object | Takahiko Matsui, Hiroaki Ohno, Takashi Yoneda | 2009-03-17 |
| 7503967 | Azo compound, ink composition and colored article | Takahiko Matsui, Hiroaki Ohno | 2009-03-17 |
| 7462228 | Water-base black ink composition and colored product | Hiroaki Ohno, Toru Yamaguchi, Takahiko Matsui, Takashi Yoneda, Yoshiaki Kawaida +1 more | 2008-12-09 |
| 7427319 | Azo compound, ink composition, and colored object | Takashi Yoneda, Hiroaki Ohno | 2008-09-23 |
| 7387668 | Azo compound, aqueous dye solutions containing the same, inks and use thereof | Hirokazu Kitayama, Takahiko Matsui, Hiroaki Ohno | 2008-06-17 |
| 7326288 | Trisazo compound, ink composition, and colored object | Takahiko Matsui, Hiroaki Ohno, Takashi Yoneda, Yoshiaki Kawaida | 2008-02-05 |
| 7297196 | Anthrapyridone compound, water-based magenta ink composition and inkjet recording method | Hiroyuki Matsumoto, Katsunori Fujii, Takafumi Fujii, Yasuo Murakami | 2007-11-20 |
| 7223301 | Anthrapyridone compound, water-based magenta ink composition and inkjet recording method | Hiroyuki Matsumoto, Katsunori Fujii, Takafumi Fujii, Yasuo Murakami, Noriko Kajiura | 2007-05-29 |
| 7056374 | Aqueous ink composition, water-soluble dye composition and ink-jet recording method | Hirokazu Kitayama, Toru Tabei | 2006-06-06 |
| 7034149 | Cyan dye mixture, water-based cyan ink composition, and method of ink-jet recording | Kitayama Hirokazu, Shinichi Namba, Takafumi Fujii, Junji Otani, Junko Yoshioka | 2006-04-25 |
| 7029503 | Disazo compound, reactive dye composition, and method of dyeing cellulose or cellulose-containing fibers | Junji Odani, Eiichi Ogawa | 2006-04-18 |
| 7015327 | Anthrapyridone compounds, water-base magenta ink compositions and method of ink-jet recording | Hiroyuki Matsumoto, Katsunori Fujii, Takafumi Fujii | 2006-03-21 |
| 6929361 | Anthrapyridone compounds, water-base magenta ink compositions and method of ink-jet recording | Hiroyuki Matsumoto, Katsunori Fujii, Takafumi Fujii | 2005-08-16 |
| 6902607 | Anthrapyridone compound, water-based magenta ink composition, and method of ink-jet recording | Hiroyuki Matsumoto, Katsunori Fujii | 2005-06-07 |
| 6653454 | Formazane compounds and method of dyeing using the same | Mariko Umeda, Hideshiro Nomura, Eiichi Ogawa | 2003-11-25 |
| 6648952 | Anthrapyridone compound, aqueous magenta ink compositions and ink-jet recording method | Hiroyuki Matsumoto, Yasuo Murakami, Junko Yoshioka, Katsunori Fujii | 2003-11-18 |
| 6645283 | Anthrapyridone compounds, water-based magenta ink composition, and method of ink-jet printing | Hiroyuki Matsumoto, Takafumi Fujii, Hirokazu Kitayama | 2003-11-11 |
| 6589325 | Phthalocyanine compounds, water-base ink compositions and colored products | Yoshinori Katoh, Hirokazu Kitayama | 2003-07-08 |
| 6530985 | Water-based magenta ink composition and method of ink-jet recording | Hiroyuki Matsumoto, Katsunori Fujii, Yoshiki Akatani | 2003-03-11 |
| 6471760 | Anthrapyridone compounds, water-based magenta ink composition, and method of ink-jet recording | Hiroyuki Matsumoto, Yasuo Murakami, Katsunori Fujii, Toru Tabei | 2002-10-29 |
| 6409810 | Water-soluble trisazo compounds, aqueous ink composition and colored article | Hiroaki Ono, Takashi Miyazawa, Toru Tabei, Isao Yamaguchi, Kazunobu Nagasaki | 2002-06-25 |
| 6152969 | Anthrapyridone compounds, water-based ink composition, and articles colored therewith | Hiroyuki Matsumoto, Katsunori Fujii | 2000-11-28 |
| 6143062 | Water-soluble disazo compounds, aqueous ink compositions, and colored articles | Takashi Miyazawa, Toru Tabei, Isao Yamaguchi, Junko Yoshioka | 2000-11-07 |
| 5942011 | Process for dyeing textiles containing polyester fibers and dyeing auxiliaries | Eiichi Ogawa, Yoshikazu Aizawa, Shigemitsu Yabe | 1999-08-24 |