ALEXANDRIA, Va., April 9 -- United States Patent no. 12,269,703, issued on April 8, was assigned to Sumitomo Riko Co. Ltd. (Aichi, Japan).

"Conveying belt" was invented by Hironari Nishioka (Aichi, Japan), Daisuke Inoue (Aichi, Japan), Yasuyuki Hayasaki (Aichi, Japan), Sho Sakamoto (Aichi, Japan), Yasuhide Watanabe (Aichi, Japan), Fumio Misumi (Aichi, Japan), Daiki Ito (Aichi, Japan), Isamu Maruyama (Aichi, Japan) and Shingo Nakaichi (Aichi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A conveying belt has a cylindrical base layer, and a surface layer that is formed on the outer peripheral surface of the base layer. The base layer contains polyimide or polyamide-imide, and has an elastic modulus from...