ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,281, issued on Dec. 9, was assigned to LIMINAL INSIGHTS INC. (Emeryville, Calif.).

"Battery manufacturing processes based on acoustic and process signal analysis" was invented by Shaurjo Biswas (Emeryville, Calif.), Andrew Hsieh (Berkeley, Calif.), Marc Juzkow (Livermore, Calif.), Shan Dou (Emeryville, Calif.) and Barry Van Tassell (El Cerrito, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, methods, and computer-readable media are provided for controlling a battery manufacturing process. For instance, signal based analysis that can include audio signal analysis can be performed during a first process step of a battery manufacturing pr...