ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,922, issued on Jan. 20, was assigned to NITTO DENKO Corp. (Osaka, Japan).
"Plate-shaped composite material" was invented by Shunji Imamura (Ibaraki, Japan), Shimpei Yakuwa (Ibaraki, Japan) and Kou Uemura (Ibaraki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a plate-shaped composite material which can sufficiently exhibit an interference effect between antenna elements when utilized as, for example, a substrate of a microstrip patch antenna. The interference effect between the antenna elements can be sufficiently exhibited by controlling the composite material so that, when the material is divided into a plurality of regions, a s...