ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,801, issued on Nov. 25, was assigned to VEEGOO TECHNOLOGY Co. LTD. (Guangdong, China).

"Method, device, electronic device, and computer-readables storage medium for automatic stone arrangement" was invented by Jianping Qiu (Foshan, China), Zhongyuan Li (Foshan, China), Yumin Chen (Foshan, China) and Yuchi Qian (Foshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An automatic stone arrangement method including: (1) a stone arrangement simulation environment is built; an action space and a return function are designed based on rules that location of parts must be inside raw materials, the parts must not overlap with each other, and utilizatio...