US Patent Issued to RICOH on Dec. 30 for "Filter holding device, developing device, process cartridge, and image forming apparatus" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,527, issued on Dec. 30, was assigned to RICOH COMPANY LTD. (Tokyo).

"Filter holding device, developing device, process cartridge, and image forming apparatus" was invented by Shohtaroh Hoshi (Kanagawa, Japan), Kazuki Yogosawa (Tokyo), Tatsuya Kubo (Kanagawa, Japan), Yuta Yabuta (Kanagawa, Japan), Hotaru Hashikawa (Kanagawa, Japan), Takuya Suganuma (Kanagawa, Japan), Takuya Sekine (Kanagawa, Japan) and Tatsumi Yamada (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filter holding device includes an opening portion and a filter. The opening portion communicates between an inside and an outside of the filter holding device. The filter ...