Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8815485 | Azo compound, pigment dispersant containing the azo compound, pigment composition, pigment dispersion, and toner | Masatake Tanaka, Yuki Hasegawa, Takayuki Toyoda, Yasuaki Murai, Masashi Hirose +1 more | 2014-08-26 |
| 8815484 | Toner including compound having bisazo skeleton | Masatake Tanaka, Masashi Hirose, Takayuki Toyoda, Waka Hasegawa, Yasuaki Murai +1 more | 2014-08-26 |
| 8628899 | azo compound, and pigment dispersant, pigment composition, pigment dispersion and toner including the AZO compound | Yuki Hasegawa, Masatake Tanaka, Takayuki Toyoda, Kei Inoue, Yasuaki Murai +2 more | 2014-01-14 |
| 8377616 | AZO compound, and pigment dispersant, pigment composition, pigment dispersion and toner including the azo compound | Yutaka Tani, Masashi Hirose, Takayuki Toyoda, Yasuaki Murai, Masatake Tanaka +2 more | 2013-02-19 |
| 8367288 | Yellow toner | Yutaka Tani, Yasuaki Murai, Takayuki Toyoda, Masahiro Suenaga, Masatake Tanaka +4 more | 2013-02-05 |
| 8211221 | Colorant compound and ink including the colorant compound | Masatake Tanaka, Yasuaki Murai, Masashi Hirose, Takeshi Miyazaki | 2012-07-03 |