ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,549, issued on Dec. 2, was assigned to Ricoh Co. Ltd. (Tokyo).

"Sheet processing apparatus, sheet processing method, and image forming system" was invented by Keisuke Sugiyama (Kanagawa, Japan), Masahiro Tamura (Kanagawa, Japan), Masanobu Kimata (Kanagawa, Japan), Yuusuke Shibasaki (Tokyo), Shinji Asami (Tokyo), Michitaka Suzuki (Kanagawa, Japan), Tomomichi Hoshino (Kanagawa, Japan), Wataru Takahashi (Tokyo) and Kei Sasaki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sheet processing apparatus includes: a center-folder to perform a center-folding process on a sheet bundle including multiple sheet materials; a back-crimp binder to: form a b...