Patent 10191400 was granted and assigned to Konica Minolta on January, 2019 by the United States Patent and Trademark Office.
A toner for electrostatic charge image development includes toner base particles including at least a binder resin, has a volume resistivity of 1.0×1014 Ω·cm or more at 25° C. with 50% RH by a temperature change method, and has a volume resistivity of 1.0×1015 Ω·cm or less at 67° C. by the temperature change method.