ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,721, issued on April 21, was assigned to Dai Nippon Printing Co. Ltd. (Tokyo).

"Foaming adhesive sheet and method for producing product" was invented by Shinya Shimada (Tokyo-to, Japan), Kentaro Hoshi (Tokyo-to, Japan) and Toshikazu Segawa (Tokyo-to, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A foaming adhesive sheet comprising a substrate and an adhesive layer placed on at least one surface side of the substrate; wherein the adhesive layer includes a curable adhesive, and a foaming agent; and a peeling force of a surface side where the adhesive layer is placed, measured by SAICAS (Surface And Interfacial Cutting Analysis System) method i...