ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,224,457, issued on Feb. 11, was assigned to Murata Manufacturing Co. Ltd. (Kyoto, Japan).
"Secondary battery" was invented by Naoto Akizuki (Kyoto, Japan), Masahiro Otsuka (Kyoto, Japan) and Morimichi Ozaki (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a secondary battery including an electrode assembly and an electrolyte enclosed in an exterior case. The electrode assembly includes a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode. The secondary battery includes a spacer positioned between the electrode assembly and an exterior case, and the electrod...