Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8936894 | Magenta toner containing compound having AZO skeleton | Takayuki Toyoda, Waka Hasegawa, Yuki Hasegawa, Masashi Kawamura, Taiki Watanabe +4 more | 2015-01-20 |
| 8927187 | Cyan toner containing compound having azo skeleton | Takayuki Toyoda, Waka Hasegawa, Yuki Hasegawa, Masashi Kawamura, Taiki Watanabe +4 more | 2015-01-06 |
| 8916318 | Black toner containing compound having azo skeleton | Yuki Hasegawa, Waka Hasegawa, Takayuki Toyoda, Masashi Kawamura, Masatake Tanaka +1 more | 2014-12-23 |
| 8815484 | Toner including compound having bisazo skeleton | Masatake Tanaka, Masashi Hirose, Takayuki Toyoda, Waka Hasegawa, Masashi Kawamura +1 more | 2014-08-26 |
| 8815485 | Azo compound, pigment dispersant containing the azo compound, pigment composition, pigment dispersion, and toner | Masatake Tanaka, Masashi Kawamura, Yuki Hasegawa, Takayuki Toyoda, Masashi Hirose +1 more | 2014-08-26 |
| 8628899 | azo compound, and pigment dispersant, pigment composition, pigment dispersion and toner including the AZO compound | Masashi Kawamura, Yuki Hasegawa, Masatake Tanaka, Takayuki Toyoda, Kei Inoue +2 more | 2014-01-14 |
| 8507713 | Pigment, method for manufacturing the same, pigment dispersion, and yellow toner | Kei Inoue, Takayuki Toyoda, Yutaka Tani, Taichi Shintou, Masashi Hirose | 2013-08-13 |
| 8377616 | AZO compound, and pigment dispersant, pigment composition, pigment dispersion and toner including the azo compound | Yutaka Tani, Masashi Hirose, Takayuki Toyoda, Masatake Tanaka, Masashi Kawamura +2 more | 2013-02-19 |
| 8367288 | Yellow toner | Yutaka Tani, Takayuki Toyoda, Masahiro Suenaga, Masatake Tanaka, Taichi Shintou +4 more | 2013-02-05 |
| 8343269 | Colorant compound | Kaoru Takahashi, Kei Inoue, Masashi Hirose, Takeshi Miyazaki, Ryosuke Nagao +2 more | 2013-01-01 |
| 8211606 | Coloring compound, yellow toner, sheet for heat-sensitive transfer recording, and ink | Masashi Hirose, Masayoshi Kato, Takayuki Toyoda, Takeshi Miyazaki | 2012-07-03 |
| 8211221 | Colorant compound and ink including the colorant compound | Masatake Tanaka, Masashi Kawamura, Masashi Hirose, Takeshi Miyazaki | 2012-07-03 |
| 7985288 | Colorant compound and ink including the colorant compound | Taichi Shintou, Masashi Hirose, Takeshi Miyazaki | 2011-07-26 |
| 7981205 | Dye compound and ink containing dye compound | Waka Hasegawa, Masashi Hirose, Takeshi Miyazaki | 2011-07-19 |
| 7981207 | Dye compound and ink containing dye compound | Waka Hasegawa, Masashi Hirose, Takeshi Miyazaki | 2011-07-19 |
| 7973197 | Colorant compound and blue resist composition for use in color filter containing the same | Takayuki Toyoda, Yuko Yamagishi, Takeshi Miyazaki | 2011-07-05 |
| 7834213 | Colorant compound and method of manufacturing the same as well as blue resist composition for use in color filter containing the same | Takayuki Toyoda, Yuko Yamagishi, Takeshi Miyazaki | 2010-11-16 |
| 7833685 | Coloring compound and yellow toner containing the coloring compound | Masatake Tanaka, Masayoshi Kato, Takayuki Toyoda, Takeshi Miyazaki | 2010-11-16 |
| 7598012 | Coloring compound and recording material using the same | Masakazu Matsumoto, Shoji Umehara, Takeshi Miyazaki | 2009-10-06 |
| 7504488 | Dye, dye production method and ink containing dye | Takayuki Toyoda, Waka Hasegawa, Masashi Hirose, Kuniaki Fujimoto, Takeshi Miyazaki | 2009-03-17 |
| 7407540 | Coloring liquid, ink tank, recording unit, recording apparatus and recording method | Yuko Yamagishi, Takeshi Miyazaki | 2008-08-05 |
| 7303615 | Colorant material, and water dispersion, ink, ink tank, recording unit, recording apparatus and recording method using the same | Yuko Yamagishi, Takeshi Miyazaki | 2007-12-04 |
| 7288357 | Cyan toner and method of producing cyan toner | Takayuki Toyoda, Masayoshi Kato, Norikazu Fujimoto, Takeshi Miyazaki | 2007-10-30 |
| 7264910 | Cyan toner and method of producing cyan toner | Takayuki Toyoda, Masayoshi Kato, Norikazu Fujimoto, Takeshi Miyazaki | 2007-09-04 |
| 7141342 | Magenta toner and process for producing magenta toner | Takayuki Toyoda, Takeshi Miyazaki, Norikazu Fujimoto | 2006-11-28 |