ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,568, issued on June 17, was assigned to Dai Nippon Printing Co. Ltd. (Tokyo).

"Casing material for power storage device, production method therefor, and power storage device" was invented by Daisuke Yasuda (Tokyo) and Takanori Yamashita (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A casing material for a power storage device, including a laminate that includes, in order, at least a base material layer, a barrier layer, and a heat-fusible resin layer. The heat-fusible resin layer includes a single layer or a plurality of layers. A first heat-fusible resin layer, among the heat-fusible resin layers, that constitutes the surface of the laminat...