ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,852, issued on Dec. 30, was assigned to Canon K.K. (Tokyo).
"Image forming apparatus" was invented by Takashi Uehara (Chiba, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An image forming apparatus includes: a heating unit including a heating rotation member configured to heat a recording medium: a pressure rotation member which contacts the heating rotation member to form a nip portion to fix a toner image to the recording medium, a heat source configured to heat the heating rotation member, the heat source including a first heater and a second heater, and a control unit configured to control the first heater and the second heater, wherein t...