ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,379, issued on July 8, was assigned to TOPPAN INC. (Tokyo).
"Tube container" was invented by Minoru Kawasaki (Tokyo), Kaho Sakamoto (Tokyo), Shunsuke Yajima (Tokyo), Takeshi Saito (Tokyo), Seiki Miyoshi (Tokyo) and Naoya Urakawa (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tube container with a reduced resin usage amount compared to the prior art, and having the stiffness necessary for self-support of the container is provided. The tube container includes a tube-like body portion that is closed at one end and a spout portion mounted at the other end of the body portion, and the body portion is formed by a material composed mainly of paper....