US Patent Issued to Ricoh on April 22 for "Sheet processing apparatus and image forming system" (Japanese Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,579, issued on April 22, was assigned to Ricoh Co. LTD. (Tokyo).

"Sheet processing apparatus and image forming system" was invented by Akira Kunieda (Tokyo), Satoshi Kuno (Tokyo), Hirofumi Horita (Kanagawa, Japan), Koju Kawakami (Tokyo), Yasunobu Kidoura (Kanagawa, Japan), Ryohsuke Akaishi (Kanagawa, Japan) and Yohsuke Haraguchi (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sheet processing apparatus including a sheet feeder, a sheet processing device, a sheet ejection device, a purge unit, a multifeed sensor, a sheet sensor, and circuitry. The circuitry stops an operation of the sheet processing apparatus when the multifeed senso...