US Patent Issued to KONICA MINOLTA on April 14 for "Developing roller, process cartridge, electrophotographic image forming apparatus, and electrophotographic image forming system" (Japanese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,992, issued on April 14, was assigned to KONICA MINOLTA INC. (Tokyo).

"Developing roller, process cartridge, electrophotographic image forming apparatus, and electrophotographic image forming system" was invented by Michiaki Ishikawa (Sagamihara, Japan), Akihiko Itami (Hino, Japan) and Aya Shirai (Kunitachi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A developing roller for an electrophotographic image forming apparatus, which conveys a developer, wherein the developing roller includes a developing sleeve and a member that generates a magnetic flux inside the developing sleeve, and the developing sleeve contains an aluminum alloy containi...