ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,404, issued on March 3, was assigned to Canon K.K. (Tokyo).
"Process cartridge" was invented by Takashi Kenmoku (Shizuoka, Japan), Yuhei Terui (Shizuoka, Japan), Shintaro Noji (Shizuoka, Japan) and Kodai Hayashi (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The process cartridge is configured such that a toner flow path formed of an inner wall of the developing chamber and the surface of the toner supplying roller is formed upstream of the toner supplying roller in a rotation direction with respect to the position where the developing roller is in contact with the toner supplying roller, a closest distance between the inner wall of...