US Patent Issued to Canon on Feb. 10 for "Image forming apparatus for mounting cartridges of different lifespans" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,547,111, issued on Feb. 10, was assigned to Canon K.K. (Tokyo).

"Image forming apparatus for mounting cartridges of different lifespans" was invented by Yuichiro Hirata (Shizuoka, Japan), Takuya Oka (Kanagawa, Japan), Hiroshi Kita (Shizuoka, Japan) and Hisashi Taniguchi (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An image forming apparatus includes a plurality of cartridges each having an image bearing member and a developer bearing member, an intermediate transfer member onto which developer images are transferred; a detection unit for outputting information related to reflected light from the developer images on the intermediate tr...