Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12140549 | Polymer dye for detecting hydrogen peroxide and structure for detecting hydrogen peroxide | Keigo Mizusawa, Ryuji Higashi, Takeshi Yamamoto, Kengo Kanazaki | 2024-11-12 |
| 11958978 | Coloring compound and thermal transfer recording sheet | Ai Hayakawa, Koromo Shirota, Hajime Muta, Taichi Shintou, Tsuyoshi Santo | 2024-04-16 |
| 10577481 | Polymer | Keigo Mizusawa, Ryuji Higashi, Masaru Sugita | 2020-03-03 |
| 10358567 | Compound, ink, ink cartridge and ink jet recording method | Yutaka Tani, Yoshio Kinoshita, Keigo Gouda | 2019-07-23 |
| 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 |
| 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 |
| 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, Takayuki Toyoda, Masashi Kawamura +4 more | 2017-04-18 |
| 9618867 | Pigment dispersion and toner | Takayuki Toyoda, Yasuaki Murai, Waka Hasegawa, Chiaki Nishiura, Yuki Tsujii +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, Chiaki Nishiura +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, Masashi Hirose +3 more | 2017-01-31 |
| 9470995 | Compound having azo skeleton and pigment dispersant, pigment composition, pigment dispersion, and toner containing the compound | Yuki Hasegawa, Waka Hasegawa, Masashi Kawamura, Taiki Watanabe, Chiaki Nishiura +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 |
| 9229345 | Toner | Naotaka Ikeda, Yasuhiro Hashimoto, Yuhei Terui, Shohei Shibahara, Waka Hasegawa | 2016-01-05 |
| 8952367 | Thioxanthone compound and organic light emitting element having the same | Jun Kamatani, Takeshi Sekiguchi, Yosuke Nishide, Akihito Saitoh | 2015-02-10 |
| 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 |
| 8628863 | Indenopyrene compound and organic light-emitting device using the compound | Takeshi Sekiguchi, Hiroshi Tanabe, Hiroki Ohrui | 2014-01-14 |
| 7651931 | Laser beam projection mask, and laser beam machining method and laser beam machine using same | Junichiro Nakayama, Hiroshi Tsunasawa, Yoshihiro Taniguchi | 2010-01-26 |
| 7381632 | Semiconductor thin film crystallization device and semiconductor thin film crystallization method | Tetsuya Inui, Junichiro Nakayama, Yoshihiro Taniguchi, Hiroshi Tsunasawa, Ikumi Kashiwagi | 2008-06-03 |