ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,417, issued on March 17, was assigned to Apple Inc. (Cupertino, Calif.).

"Nanocrystalline structures for wireless charging systems" was invented by Saining Ren (Auckland, New Zealand).

According to the abstract* released by the U.S. Patent & Trademark Office: "Implementations described herein provide systems and methods for wireless charging. In one implementation, a base has a planar surface. One or more posts extend from the planar surface of the base to form a core. Each of the one or more posts is formed from a plurality of nanocrystalline sheets. The plurality of nanocrystalline sheets of each of the one or more posts is oriented in planes perpendicular to the planar surfac...