US Patent Issued to TOPPAN PRINTING on March 3 for "Decorative sheet" (Japanese Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,020, issued on March 3, was assigned to TOPPAN PRINTING Co. Ltd. (Tokyo).

"Decorative sheet" was invented by Ryosuke Takahashi (Tokyo), Mamiko Sano (Tokyo) and Hayato Funaki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A decorative sheet comprises a substrate layer; a pattern layer provided on the first front surface of the substrate layer; and a thermoplastic resin layer provided on the second front surface of the pattern layer. A test piece of 8 mm width from the decorative sheet is taken; the storage modulus is measured with an initial chuck distance of 10.77 mm, a start temperature of 30deg C., an end temperature of 150deg C., a tempera...