ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,654, issued on Sept. 23, was assigned to Murata Manufacturing Co. Ltd. (Kyoto, Japan).

"Secondary battery" was invented by Tomomi Sakuma (Kyoto, Japan), Shinichi Katayama (Kyoto, Japan) and Hideki Nakai (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A secondary battery includes a positive electrode, a negative electrode, a negative electrode wiring line, and an electrolytic solution. The negative electrode wiring line is coupled to the negative electrode. The negative electrode includes a negative electrode active material layer and a film. The film covers a surface of the negative electrode active material layer. The film includes su...