Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12187061 | Thermosensitive recording medium and image forming method | Akihiro Taya, Junji Ito, Yasuhiro Aichi, Masanobu Ootsuka, Yutaka Yoshimasa | 2025-01-07 |
| 11513448 | Liquid developer and method for manufacturing liquid developer | Waka Hasegawa, Ryo Natori, Junji Ito, Yasuhiro Aichi, Jun Shirakawa | 2022-11-29 |
| 10545424 | Liquid developer and method of producing liquid developer | Waka Hasegawa, Ryo Natori, Junji Ito, Yasuhiro Aichi, Jun Shirakawa | 2020-01-28 |
| 10423084 | Method for producing liquid developer | Yasuhiro Aichi, Junji Ito, Jun Shirakawa, Waka Hasegawa, Ryo Natori | 2019-09-24 |
| 10087328 | Compound having azo skeleton, pigment dispersant, pigment composition, pigment dispersion, and toner | Yasuaki Murai, Yuki Tsujii, Waka Hasegawa, Kosuke Mukumoto, Takayuki Toyoda +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, Waka Hasegawa +4 more | 2018-03-27 |
| 9897936 | Method of producing curable liquid developer and curable liquid developer | Ryo Natori, Waka Hasegawa, Junji Ito, Yasuhiro Aichi, Jun Shirakawa | 2018-02-20 |
| 9880482 | Ultraviolet-curable liquid developer and method of producing same | Waka Hasegawa, Ryo Natori, Junji Ito, Yasuhiro Aichi, Jun Shirakawa | 2018-01-30 |
| 9857716 | Curable liquid developer and image-forming method using curable liquid developer | Ryo Natori, Waka Hasegawa, Junji Ito, Yasuhiro Aichi, Jun Shirakawa | 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 |
| 9777087 | Polymer including phthalocyanine structure, method for producing the polymer, pigment composition, pigment dispersion, and toner | Yasuaki Murai, Osamu Matsushita, Takayuki Toyoda, Waka Hasegawa, Kosuke Mukumoto +1 more | 2017-10-03 |
| 9740118 | Method of producing liquid developer | Waka Hasegawa, Ryo Natori, Junji Ito, Yasuhiro Aichi, Jun Shirakawa | 2017-08-22 |
| 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, Waka Hasegawa +3 more | 2017-07-25 |
| 9625845 | Compound having azo skeleton structure, pigment-dispersing agent, pigment composition, pigment dispersion, and toner | Yasuaki Murai, Waka Hasegawa, Masanori Seki, Takayuki Toyoda, Masashi Kawamura +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, Takayuki Toyoda, Masashi Hirose, 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 |
| 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 |
| 8936894 | Magenta toner containing compound having AZO skeleton | Takayuki Toyoda, Yasuaki Murai, Waka Hasegawa, Yuki Hasegawa, Masashi Kawamura +4 more | 2015-01-20 |
| 8927187 | Cyan toner containing compound having azo skeleton | Yasuaki Murai, Takayuki Toyoda, Waka Hasegawa, Yuki Hasegawa, Masashi Kawamura +4 more | 2015-01-06 |