ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,759, issued on Oct. 21, was assigned to Canon K.K. (Tokyo).
"Cartridge, drum unit and image forming apparatus" was invented by Toshiki Fujino (Kanagawa, Japan), Akinobu Hirayama (Shizuoka, Japan), Teruhiko Sasaki (Shizuoka, Japan), Tachio Kawai (Tokyo), Daisuke Abe (Shizuoka, Japan), Masanari Morioka (Kanagawa, Japan), Takeo Kawanami (Kanagawa, Japan) and Yu Fukasawa (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cartridge includes a photosensitive drum and a casing having a first end portion and a second end portion opposite to the first end portion in a direction of the rotational axis of the photosensitive drum. A coupling is positioned ...