ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,212,721, issued on Jan. 28, was assigned to Seiko Epson Corp. (Tokyo).
"Post-processing device and printing device" was invented by Namiki Hashiguchi (Shiojiri, Japan), Kohei Ueno (Matsumoto, Japan), Hirohisa Kodaira (Shiojiri, Japan) and Toshikazu Kotaka (Matsumoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A post-processing unit includes a punch unit that punches a paper on which recording is performed by a recording unit that discharges ink, and a controller that controls a punching operation of the punch unit. The controller sets at least one of the number of punching and a punching speed per paper in the punch unit based on setting infor...