ALEXANDRIA, Va., May 12 -- United States Patent no. 12,627,174, issued on May 12, was assigned to Xidian University (Xi'an, China).

"Method of irregular tiled transmitting arrays for realizing multi-angle receiving microwave wireless power transmission" was invented by Xun Li (Xi'an, China), Chunhuai Xue (Xi'an, China), Baoyan Duan (Xi'an, China), Yiqun Zhang (Xi'an, China) and Guangda Chen (Xi'an, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A design method of irregular tiled transmitting arrays for realizing multi-angle receiving microwave wireless power transmission relates to the technical field of antenna design, and includes: performing combinatorial arrangement according to irregularity degree...