US Patent Issued to Sony Group on Aug. 11 for "Multi-layer frequency-selective surface" (Swedish Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,706,388, issued on Aug. 11, was assigned to Sony Group Corp. (Tokyo).

"Multi-layer frequency-selective surface" was invented by Kun Zhao (Malmo, Sweden), Fredrik Rusek (Eslov, Sweden), Olof Zander (Sodra Sandby, Sweden), Erik Bengtsson (Eslov, Sweden) and Jose Flordelis (Lund, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-layer frequency selective surface is disclosed that exhibits a frequency response having a passband one or more stopbands."

The patent was filed on May 12, 2022, under Application No. 18/290,217.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect...