ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,741, issued on April 7, was assigned to TOPPAN HOLDINGS INC. (Tokyo).

"Decorative sheet, and method for producing decorative sheet" was invented by Erika Akutsu (Tokyo), Yohei Nishikawa (Tokyo) and Kosuke Shimizu (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A decorative sheet includes a primary film layer and a surface protection layer, the surface protection layer has a gloss level of 15 or less, the surface protection layer includes on a surface thereof a ridged portion protruding in a ridged pattern and thus has an irregular shape formed on the surface, the surface protection layer contains an ionizing radiation-curable resin as a main m...