Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12346064 | Toner | Akane Masumoto, Takayuki Toyoda, Kenji Ookubo, Taku Shimoda, Yu Yoshida | 2025-07-01 |
| 11714363 | Toner | Kenji Ookubo, Yu Yoshida, Takashi Kenmoku, Taku Shimoda, Akane Masumoto +1 more | 2023-08-01 |
| 11274179 | Method for producing compound having amide bond and also having alkoxysilyl group | Kenji Ookubo, Takayuki Toyoda, Taku Shimoda | 2022-03-15 |
| 11249412 | Toner | Takayuki Toyoda, Kenji Ookubo, Taku Shimoda | 2022-02-15 |
| 11181845 | Toner | Taku Shimoda, Takayuki Toyoda, Kenji Ookubo | 2021-11-23 |
| 10087328 | Compound having azo skeleton, pigment dispersant, pigment composition, pigment dispersion, and toner | Yasuaki Murai, Yuki Tsujii, Waka Hasegawa, Ayano Mashida, Kosuke Mukumoto +4 more | 2018-10-02 |
| 10054866 | Toner | Masatake Tanaka, Nobuhisa Abe, Hidekazu Fumita, Shiro Kuroki, Kenji Ookuba | 2018-08-21 |
| 9926450 | Compound having azo skeleton structure, pigment-dispersing agent, pigment composition, pigment dispersion, and toner | Yasuaki Murai, Kosuke Mukumoto, Yuki Tsujii, Ayano Mashida, Waka Hasegawa +4 more | 2018-03-27 |
| 9921501 | Toner and process for producing toner | Shinsuke Mochizuki, Kenichi Nakayama, Tsuneyoshi Tominaga, Kunihiko Nakamura, Tsutomu Shimano +2 more | 2018-03-20 |
| 9857711 | Toner | Yu Yoshida, Yuhei Terui, Takayuki Toyoda, Takeshi Sekiguchi | 2018-01-02 |
| 9834683 | Compound having azo skeleton structure, pigment dispersant, pigment composition, pigment dispersion, and toner | Chiaki Nishiura, Yuki Tsujii, Yasuaki Murai, Takayuki Toyoda, Waka Hasegawa +3 more | 2017-12-05 |
| 9829814 | Toner | Yu Yoshida, Yuhei Terui, Haruko Kubo, Yasuaki Murai, Takayuki Toyoda | 2017-11-28 |
| 9625845 | Compound having azo skeleton structure, pigment-dispersing agent, pigment composition, pigment dispersion, and toner | Ayano Mashida, Yasuaki Murai, Waka Hasegawa, Masanori Seki, Takayuki Toyoda +4 more | 2017-04-18 |
| 9593243 | Compound, pigment dispersing agent, pigment composition, pigment dispersion and toner containing said compound | Yuki Tsujii, Yasuaki Murai, Takayuki Toyoda, Waka Hasegawa, Masanori Seki +3 more | 2017-03-14 |
| 9470995 | Compound having azo skeleton and pigment dispersant, pigment composition, pigment dispersion, and toner containing the compound | Masanori Seki, Yuki Hasegawa, Waka Hasegawa, Taiki Watanabe, Chiaki Nishiura +4 more | 2016-10-18 |
| 9298118 | Azo compound, pigment dispersant containing the azo compound, pigment composition, pigment dispersion and toner | Yasuaki Murai, Waka Hasegawa, Yuki Hasegawa, Takayuki Toyoda, Taiki Watanabe +4 more | 2016-03-29 |
| 9249308 | Compound having bisazo dye skeleton, pigment composition containing the same, pigment dispersion, ink, and color filter resist composition | Yuki Hasegawa, Yasuaki Murai, Masatake Tanaka, Takayuki Toyoda, Waka Hasegawa +1 more | 2016-02-02 |
| 9176407 | Toner and method for manufacturing toner particles | Yuki Hasegawa, Yasuaki Murai, Masatake Tanaka, Takayuki Toyoda, Waka Hasegawa +1 more | 2015-11-03 |
| 9097999 | Polyester, pigment composition, and toner | Yasuaki Murai, Masatake Tanaka, Takayuki Toyoda, Yuki Hasegawa, Masashi Hirose +1 more | 2015-08-04 |
| 8962726 | Compound having bisazo skeleton, pigment dispersant containing the compound, pigment composition, pigment dispersion, ink and resist composition for color filter | Masatake Tanaka, Masashi Hirose, Takayuki Toyoda, Waka Hasegawa, Yasuaki Murai +1 more | 2015-02-24 |
| 8940467 | Toner | Yasuhiro Hashimoto, Takayuki Toyoda, Naotaka Ikeda, Hidekazu Fumita, Emi Watanabe +1 more | 2015-01-27 |
| 8936894 | Magenta toner containing compound having AZO skeleton | Takayuki Toyoda, Yasuaki Murai, Waka Hasegawa, Yuki Hasegawa, Taiki Watanabe +4 more | 2015-01-20 |
| 8927187 | Cyan toner containing compound having azo skeleton | Yasuaki Murai, Takayuki Toyoda, Waka Hasegawa, Yuki Hasegawa, Taiki Watanabe +4 more | 2015-01-06 |
| 8916318 | Black toner containing compound having azo skeleton | Yuki Hasegawa, Yasuaki Murai, Waka Hasegawa, Takayuki Toyoda, Masatake Tanaka +1 more | 2014-12-23 |
| 8916319 | Toner | Naotaka Ikeda, Takayuki Toyoda, Hidekazu Fumita, Emi Watanabe, Yasuhiro Hashimoto +1 more | 2014-12-23 |