ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,337, issued on Feb. 24, 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 stacking member, transporting member, guiding member, a plurality of blowers, and controller. A sheet is stacked on the sheet stacker. The transporting member transports a sheet in a sheet-transporting direction towards the stacking member. The guiding member retains an edge portion of the sheet transported by the transporting member in a standby position, followed by moving in the sheet-transporting direction to guide tr...