ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,951, issued on April 21, was assigned to BROTHER KOGYO K.K. (Nagoya, Japan).

"Drum cartridge having movable first housing, immovable second housing, and gasket sealing therebetween, and image-forming apparatus using the same" was invented by Shougo Sato (Seto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drum cartridge includes a photosensitive drum rotatable about an axis extending in a first direction, a developing roller configured to supply toner to the photosensitive drum, and a developing housing configured to store the toner therein. The developing housing includes a first housing supporting the developing roller, a second housing ...