ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,890, issued on Feb. 24, was assigned to SCREEN Holdings Co. Ltd. (Kyoto, Japan).

"Printing apparatus" was invented by Yuya Sugihara (Kyoto, Japan), Tomoyasu Okushima (Kyoto, Japan) and Seiya Nomura (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a technology that enables reduction of an amount of data to be processed in testing a printed image printed on a printing medium. A printing apparatus includes a printing unit, a camera, and an image-data output unit. The printing unit is capable of printing plural categories of test patterns on the printing medium. The camera captures an image of a test pattern printed on the ...