ALEXANDRIA, Va., July 30 -- United States Patent no. 12,374,931, issued on July 29, was assigned to Northeastern University (Boston).

"Self-powered reconfigurable intelligent surfaces with wireless power transfer" was invented by Yousof Naderi (Brookline, Mass.), Kaushik Chowdhury (Needham, Mass.) and Ufuk Muncuk (Waltham, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein are reconfigurable intelligent surfaces (RIS) including a surface, a source tile positioned on or proximate a first side of the surface and including a source power layer including a power amplifier and a transmitter coil configured to generate an electromagnetic field and a radio frequency (RF) layer configured to receiv...