ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,469,924, issued on Nov. 11, was assigned to Murata Manufacturing Co. Ltd. (Kyoto, Japan).

"Secondary battery, electronic device, and power tool" was invented by Kunio Sodeyama (Kyoto, Japan) and Masafumi Umekawa (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a battery capable of maintaining electrical insulation between a battery lid and a battery can when exposed to an aqueous solution such as sea water.Disclosed is a secondary battery including an electrode winding body in which a strip-shaped positive electrode and a strip-shaped negative electrode are stacked with a separator interposed between the electrodes and wound, an ...