ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,269, issued on Dec. 23, was assigned to NIPPON PAPER INDUSTRIES Co. LTD. (Tokyo).
"Paper container" was invented by Kouya Nakamura (Tokyo), Atsushi Tanaka (Tokyo) and Junichi Masuda (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A paper container includes a body panel on which a first auxiliary folding line having an upwardly curved shape is formed to have end portions arranged so as to connect reference points to each other, or connect together positions that are near the reference points on body vertical folding lines or positions that are away from the body vertical folding lines and below the reference points in a height direction of each...