ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,853, issued on May 6, was assigned to PROTERIAL LTD. (Tokyo).

"Method for manufacturing hot-forged member" was invented by Yoji Yamashita (Tokyo), Chuya Aoki (Tokyo) and Shinichi Kobayashi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a hot-forged member includes heating an unheated material for hot forging in a furnace to a hot forging temperature; bonding a heat-resistant insulation material to at least a part of a surface of a material for forging removed from the furnace to obtain a material to be hot forged; and compressing a part or all of the material to be hot forged into a predetermined shape using any of ...