ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,746, issued on Oct. 21, was assigned to BROTHER KOGYO K.K. (Nagoya, Japan).
"Toner cartridge" was invented by Shougo Sato (Seto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A toner cartridge includes a housing configured to contain toner. The housing includes a main body, a first side plate, and a second side plate. The main body has a tubular shape extending in a first direction. The main body is made of paper. The first side plate is located at one end of the main body in the first direction. The first side plate is made of resin. The second side plate located at an other end of the main body in the first direction. The second side plate ...