ALEXANDRIA, Va., July 3 -- United States Patent no. 12,347,880, issued on July 1, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Power storage device and method of manufacturing power storage device" was invented by Masashi Kato (Konan, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power storage device includes a case body made of metal and having an opening that opens in at least one direction, a power storage module placed inside the case body, a closing plate made of metal and welded to the case body so as to close the opening of the case body, an insulating sheet covering an inner surface of the case body and an inner surface of the closing plate, and a covering portion made of an insulat...