ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,731,901, issued on Sept. 8, was assigned to SUMITOMO ELECTRIC INDUSTRIES LTD. (Osaka, Japan).

"Planar antenna" was invented by Yusuke Yahata (Osaka, Japan), Ichiro Kuwayama (Osaka, Japan), Suguru Yamagishi (Osaka, Japan) and Yutaro Miki (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A planar antenna includes a dielectric substrate, a feed line on a first surface of the dielectric substrate that has a first and second lateral sides, three rectangular-shaped radiation elements arrayed on the first surface and provided at the first and second lateral sides to alternately protrude, and an electromagnetic band gap structure having an arrangemen...