ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,483, issued on Nov. 4, was assigned to BROTHER KOGYO K.K. (Nagoya, Japan).

"Drum cartridge having electrical contact surface positioned at outer surface of drum frame" was invented by Hiroki Mori (Nagoya, Japan), Atsushi Fukaya (Toyohashi, Japan), Tsubasa Kiriyama (Nagoya, Japan) and Nao Itabashi (Nagoya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drum cartridge includes: a photosensitive drum; a drum frame; a drum coupling; and an electrical contact surface. The photosensitive drum is rotatable about an axis extending in a first direction. The drum frame has one end portion in a second direction at which the photosensitive drum is positi...