US Patent Issued to Dai Nippon Printing on June 30 for "Packaging material for power storage device, method of producing same, and power storage device" (Japanese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,040, issued on June 30, was assigned to Dai Nippon Printing Co. Ltd. (Tokyo).

"Packaging material for power storage device, method of producing same, and power storage device" was invented by Daisuke Yasuda (Tokyo), Takanori Yamashita (Tokyo), Tetsuya Ojiri (Tokyo), Hiroyuki Kotera (Tokyo), Tsuyoshi Ito (Tokyo), Yoshiko Kiyohara (Tokyo) and Kazufumi Kodani (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power storage device is constituted by a laminate including, in the stated order, at least a substrate layer, a barrier layer, and an inside layer. The inside layer is provided with an adhesive layer and a heat-sealing resin layer from the ba...