ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,781, issued on Feb. 17, was assigned to SmartFoam Inc. (Carlsbad, Calif.).

"Piezoelectric and triboelectric activated foam sensors and applications" was invented by Wei Yuan (Los Angeles), Dave Jabson (San Marcos, Calif.), Jeff Slosar (Rancho Santa Fe, Calif.), Sean Clottu (Ladera Ranch, Calif.), Peter Curley (Carlsbad, Calif.), Joel White (Fallbrook, Calif.) and Michael Davis (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "A footwear component is disclosed. In various embodiments, the footwear component includes a foam substrate having an upper surface and a lower surface extending in a lateral direction; and a sensing circuit between the...