ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,449, issued on May 26, was assigned to PANASONIC ENERGY Co. LTD. (Osaka, Japan).

"Sealed battery" was invented by Oose Okutani (Hyogo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The purpose of the present disclosure is to provide a sealed battery that can expand a joint area of an electrode lead with respect to a sealing body or the like without using a large-width electrode lead. A sealed battery, which is an example of an embodiment, comprises: an electrode body having an electrode lead; a bottomed tubular exterior can that accommodates the electrode body; and a sealing body that plugs an opening section of the exterior can. The electrode...