Issued Patents All Time
Showing 1–25 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11079695 | Toner external additive and toner | Kazuyuki Sato, Masao Suzuki | 2021-08-03 |
| 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 |
| 9926450 | Compound having azo skeleton structure, pigment-dispersing agent, pigment composition, pigment dispersion, and toner | Masashi Kawamura, Yasuaki Murai, Kosuke Mukumoto, Yuki Tsujii, Ayano Mashida +4 more | 2018-03-27 |
| 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 |
| 9801960 | Probe for a biological specimen and labelling method and screening method using the probe | Taichi Shintou, Takeshi Miyazaki, Taketoshi Okubo, Kohei Watanabe, Tsuyoshi Nomoto +4 more | 2017-10-31 |
| 9777087 | Polymer including phthalocyanine structure, method for producing the polymer, pigment composition, pigment dispersion, and toner | Yasuaki Murai, Osamu Matsushita, Takayuki Toyoda, Waka Hasegawa, Ayano Mashida +1 more | 2017-10-03 |
| 9715187 | Method of producing a compound having a colorant structure, and toner containing a compound obtained by the production method | Kosuke Mukumoto, Yasuaki Murai, Yuki Hasegawa, Takayuki Toyoda, Ayano Mashida +3 more | 2017-07-25 |
| 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 |
| 9618867 | Pigment dispersion and toner | Takayuki Toyoda, Yasuaki Murai, Waka Hasegawa, Masanori Seki, Chiaki Nishiura +2 more | 2017-04-11 |
| 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 |
| 9556290 | Method for producing compound having colorant structure at main chain terminal of polymer, and pigment dispersant, pigment composition, pigment dispersion and toner containing compound obtained by the production method | Chiaki Nishiura, Yuki Hasegawa, Ayano Mashida, Takayuki Toyoda, Waka Hasegawa +3 more | 2017-01-31 |
| 9470995 | Compound having azo skeleton and pigment dispersant, pigment composition, pigment dispersion, and toner containing the compound | Masanori Seki, Yuki Hasegawa, Waka Hasegawa, Masashi Kawamura, Taiki Watanabe +4 more | 2016-10-18 |
| 9410038 | Compound, ink, ink cartridge and ink jet recording method | Masahiro Suenaga, Kaoru Takahashi, Yasuaki Murai, Takeshi Miyazaki, Yutaka Tani +3 more | 2016-08-09 |
| 9371462 | Production process for self-dispersible pigment, self-dispersible pigment, ink, ink cartridge and ink jet recording method | Taiki Watanabe, Koichi Suzuki, Ryuji Higashi | 2016-06-21 |
| 9298118 | Azo compound, pigment dispersant containing the azo compound, pigment composition, pigment dispersion and toner | Masashi Kawamura, Yasuaki Murai, Waka Hasegawa, Yuki Hasegawa, Takayuki Toyoda +4 more | 2016-03-29 |
| 9250552 | Polymerizable monomer, polymeric compound, charge control agent containing the polymeric compound, and developer bearing member and toner which contain the charge control agent | Kei Inoue, Yasuaki Murai, Ryuji Murayama, Kazuyuki Sato, Soichiro Kawakami | 2016-02-02 |
| 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, Masashi Kawamura +1 more | 2016-02-02 |
| 9176407 | Toner and method for manufacturing toner particles | Yuki Hasegawa, Yasuaki Murai, Masatake Tanaka, Takayuki Toyoda, Masashi Kawamura +1 more | 2015-11-03 |
| 9170514 | Polymerizable monomer, polymeric compound, charge control agent containing the polymeric compound, and developer bearing member and toner which contain the charge control agent | Yasuaki Murai, Kei Inoue, Ryuji Murayama, Kazuyuki Sato | 2015-10-27 |
| 9146485 | Magenta toner and method for producing the same | Yutaka Tani, Masao Nakano, Takayuki Ujifusa, Taichi Shintou, Kaoru Takahashi +3 more | 2015-09-29 |
| 9134639 | Magenta toner | Masao Nakano, Taichi Shintou, Yutaka Tani, Takayuki Ujifusa, Kaoru Takahashi +2 more | 2015-09-15 |
| 9102811 | Pigment dispersion, ink composition including pigment dispersion, and color filter yellow resist composition including pigment dispersion | Taichi Shintou, Yutaka Tani, Masao Nakano, Takayuki Ujifusa, Kaoru Takahashi +2 more | 2015-08-11 |
| 9097999 | Polyester, pigment composition, and toner | Yasuaki Murai, Masashi Kawamura, Masatake Tanaka, Takayuki Toyoda, Yuki Hasegawa +1 more | 2015-08-04 |
| 9012115 | Yellow toner | Takayuki Ujifusa, Taichi Shintou, Yutaka Tani, Masao Nakano, Kaoru Takahashi +2 more | 2015-04-21 |
| 8962726 | Compound having bisazo skeleton, pigment dispersant containing the compound, pigment composition, pigment dispersion, ink and resist composition for color filter | Masatake Tanaka, Takayuki Toyoda, Waka Hasegawa, Yasuaki Murai, Masashi Kawamura +1 more | 2015-02-24 |