ALEXANDRIA, Va., May 19 -- United States Patent no. 12,629,294, issued on May 19, was assigned to Daio Paper Corp. (Ehime, Japan).
"Absorbent article" was invented by Rina Ito (Tochigi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An absorber has at least one continuous groove and a back sheet provided on a non-skin side with a plurality of adhesive displacement stoppers, for fixing the absorbent article to underwear. One continuous groove has a shape having two or more portions protruding toward a front of the continuous groove and/or having two or more portions protruding toward a rear of the continuous groove. The continuous groove includes a groove portion, where an imaginary region overlaps the ...