ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,393,148, issued on Aug. 19, was assigned to CANON K.K. (Tokyo).
"Image forming apparatus that detects attached state to main body of cassette accommodating sheet" was invented by Seiji Yokoyama (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An image forming apparatus includes: a detection unit configured to detect whether a cassette accommodating a sheet is in an attached state or in a non-attached state; a transfer roller configured to transfer an image to the sheet in a transfer region; a conveyance roller configured to convey, to the transfer region, a first sheet; a drive unit configured not to transmit the driving force to the conv...