ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,685, issued on July 14, was assigned to RICOH COMPANY LTD. (Tokyo).

"Sheet stacker and image forming apparatus" was invented by Ikumi Kazama (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sheet stacker includes a load table to stack a bundle of sheets; a conveyor to convey a sheet to the load table in a conveyance direction at a conveyance speed; a guide including a holder to: hold a leading end of the sheet conveyed by the conveyor by the holder at a standby position; and move the holder to guide the sheet along a movement path in the conveyance direction at a moving speed while holding the sheet by the holder; and a leading-end ...