WH

Waka Hasegawa

Canon: 8 patents #36 of 3,775Top 1%
Overall (2017): #10,217 of 506,227Top 3%
8
Patents 2017

Issued Patents 2017

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
9834683 Compound having azo skeleton structure, pigment dispersant, pigment composition, pigment dispersion, and toner Chiaki Nishiura, Yuki Tsujii, Yasuaki Murai, Takayuki Toyoda, Masanori Seki +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, Ayano Mashida, Kosuke Mukumoto +1 more 2017-10-03
9740118 Method of producing liquid developer Ryo Natori, Ayano Mashida, 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, 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, Masanori Seki, Takayuki Toyoda, Masashi Kawamura +4 more 2017-04-18
9618867 Pigment dispersion and toner Takayuki Toyoda, Yasuaki Murai, Masanori Seki, 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, Masanori Seki, 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