ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,454, issued on Sept. 9, was assigned to Canon K.K. (Tokyo).
"Image forming apparatus" was invented by Ryuji Hamasaki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An image forming apparatus includes a plurality of cartridges, a fixing device, a fan and a duct. The duct guides air supplied from the fan to a predetermined cartridge closest to the fixing device of the plurality of cartridges. At one end side of the predetermined cartridge in the rotational axis direction, the duct includes a first part for discharging the air supplied from the fan in a first direction toward downward from upward to a top surface of the cartridge, and a second ...