ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,399,156, issued on Aug. 26, was assigned to LIMINAL INSIGHTS INC. (Emeryville, Calif.).
"Acoustic signal based analysis of films" was invented by Shaurjo Biswas (El Cerrito, Calif.), Shan Dou (Berkeley, Calif.), Aleksandr Kiessling (Berkeley, Calif.), Andrew Hsieh (Berkeley, Calif.), Barry Van Tassell (El Cerrito, Calif.) and Marc Juzkow (Livermore, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, techniques, and computer-implemented processes are provided for acoustic signal based analysis of thin-films, electrode coatings, and other components of batteries. Data analytics on signals obtained by ultrasound excitation of materials is used ...