US Patent Issued to RICOH on Jan. 27 for "Filter holding device, developing device, process cartridge, and image forming apparatus" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,617, issued on Jan. 27, was assigned to RICOH COMPANY LTD. (Tokyo).

"Filter holding device, developing device, process cartridge, and image forming apparatus" was invented by Yuta Yabuta (Kanagawa, Japan), Kazuki Yogosawa (Tokyo), Tatsuya Kubo (Kanagawa, Japan), Takuya Suganuma (Kanagawa, Japan), Hotaru Hashikawa (Kanagawa, Japan) and Yoshihiro Fujiwara (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 an inside of the filter holding device with an outside of the filter holding device, and has a rim that extends in a communication directi...