US Patent Issued to Ricoh on July 29 for "Carrier, developer, image forming method, and process cartridge" (Japanese Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,893, issued on July 29, was assigned to Ricoh Co. Ltd. (Tokyo).

"Carrier, developer, image forming method, and process cartridge" was invented by Kaede Masuko (Shizuoka, Japan), Tohru Suganuma (Shizuoka, Japan), Minoru Masuda (Shizuoka, Japan), Masashi Nagayama (Shizuoka, Japan), Hiroyuki Kishida (Shizuoka, Japan), Tomomi Suzuki (Shizuoka, Japan) and Kento Takeuchi (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A carrier is provided that includes a core particle and a coating layer coating the core particle. The coating layer includes a resin and chargeable inorganic fine particles, and has voids. The resin has an average film thick...