A non aqueous pigment ink comprising a pigment, a non aqueous solvent, and non aqueous resin dispersion microparticles having a pigment dispersion capability, wherein {HEAD ~ the non aqueous resin dispersion microparticles} are {TAIL ~ an acrylic polymer} comprising an alkyl acrylate unit having an alkyl group of 12 or more carbon atoms and a acrylate unit having a urethane group 
are
A non aqueous pigment ink comprising a pigment , a non aqueous solvent , and non aqueous resin dispersion microparticles having a pigment dispersion capability , wherein { HEAD ~ the non aqueous resin dispersion microparticles } are { TAIL ~ an acrylic polymer } comprising an alkyl acrylate unit having an alkyl group of 12 or more carbon atoms and a acrylate unit having a urethane group
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