ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,022, issued on March 17, was assigned to ZACROS Corp. (Tokyo).
"Packaging bag" was invented by Hajime Okamoto (Tokyo), Atsushi Mio (Tokyo), Junpei Nomura (Tokyo) and Toyoaki Suzuki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A packaging bag has a bag body and an outlet joined to the bag body, in which the bag body includes, as a forming material, laminates each having at least a substrate layer, a first intermediate layer, and a sealant layer in this order, and has a bag shape formed by sticking the sealant layers to each other, the sealant layers being disposed opposite each other to define an internal side, the outlet is joined by being...