ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,187, issued on July 15, was assigned to Canon K.K. (Tokyo).
"Imprint mold, imprint method, and manufacturing method of article" was invented by Naoki Kiyohara (Tokyo), Yuichiro Oguchi (Tokyo) and Toshiki Ito (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An imprint mold having an imprint surface that comes into contact with a curable composition on a substrate, the imprint mold includes a concavo-convex pattern formed on the imprint surface of the imprint mold, and a first step portion that has a first surface having a depth of 0.5 times or more and 2 times or less a depth of the concavo-convex pattern in an outer peripheral portion...