ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,386,306, issued on Aug. 12, was assigned to BROTHER KOGYO K.K. (Nagoya, Japan).
"Transfer belt unit and image forming apparatus" was invented by Shuhei Hatano (Nagoya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A transfer belt unit mountable to and demountable from an apparatus main body of an image forming apparatus, the transfer belt unit including: a transfer belt being in contact with a photosensitive drum of a drum cartridge of the image forming apparatus in a state where the transfer belt unit is mounted to the apparatus main body, the transfer belt being configured to transfer a toner image on the photosensitive drum to a sheet conveyed...