WH

Waka Hasegawa

Canon: 4 patents #356 of 3,938Top 10%
Overall (2016): #32,704 of 481,213Top 7%
4
Patents 2016

Issued Patents 2016

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9470995 Compound having azo skeleton and pigment dispersant, pigment composition, pigment dispersion, and toner containing the compound Masanori Seki, Yuki 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, 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, Masashi Kawamura +1 more 2016-02-02
9229345 Toner Naotaka Ikeda, Yasuhiro Hashimoto, Yuhei Terui, Shohei Shibahara, Masanori Seki 2016-01-05