ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,718,580, issued on Aug. 25, was assigned to Ricoh Co. Ltd. (Tokyo).

"Information processing system, information processing apparatus, and information processing method" was invented by Toshihiro Okamoto (Kanagawa, Japan), Yosuke Sato (Tokyo), Kenji Nagashima (Kanagawa, Japan), Takuya Yamauchi (Kanagawa, Japan), Mei Oyama (Kanagawa, Japan), Sukehiro Kimura (Kanagawa, Japan) and Shin Aoki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An information processing system includes a mobile body including a holding device that holds an object and allows the object to be moved up and down and a marker disposed on the holding device, at least one imaging d...