ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,526,910, issued on Jan. 13, was assigned to Canon K.K. (Tokyo).

"Printed circuit board and printing apparatus" was invented by Yo Kobayashi (Nagareyama, Japan) and Koji Hirai (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A printed circuit board includes a front layer including frame ground regions on which connectors to be connected with external apparatuses or communication cables are mounted and which are connected with a ground, a signal ground region which is separated from the frame ground regions at the front layer, on which electronic devices configured to receive signals from the connectors are mounted, and which is connected w...