ALEXANDRIA, Va., June 6 -- United States Patent no. 12,282,272, issued on April 22, was assigned to Canon K.K. (Tokyo).
"Image forming apparatus and image forming system" was invented by Akinori Mitsumata (Tokyo), Takeo Kawanami (Kanagawa, Japan) and Shuma Hiasa (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An image forming apparatus which can be replenished with toner using a replenishment cartridge and communicates with a memory device of the replenishment cartridge via a first electric contact portion and a second electric contact portion after a replenishment cartridge is attached to the image forming apparatus in an installation portion. The replenishment cartridge is prevented from be...