US Patent Issued to Canon on Feb. 3 for "Process cartridge" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,541,172, issued on Feb. 3, was assigned to Canon K.K. (Tokyo).

"Process cartridge" was invented by Yuhei Terui (Shizuoka, Japan), Takashi Kenmoku (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 includes a developing roller, a toner supplying roller, a toner regulating member, and a toner, a movement direction of a surface of the developing roller is opposite to a movement direction of a surface of the toner supplying roller in a position where the surface of the developing roller is in contact with the surface of the toner supplying roller, the deve...