ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,514, issued on March 25, was assigned to PIXART IMAGING INC. (Hsin-Chu, Taiwan).

"Game board device" was invented by Chung-Ting Yang (Hsin-Chu, Taiwan), Yen-Min Chang (Hsin-Chu, Taiwan) and Yen-Chang Wang (Hsin-Chu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A game board device is provided for carrying and identifying game pieces that are divided into different piece types. The game board device includes a board, a plurality of optically identifying modules, and a processing module electrically coupled to the optically identifying modules. The optically identifying modules respectively correspond in position to detection regions of the b...