US Patent Issued to NIPPON STEEL on July 22 for "Method for producing blank, method for producing press-formed part, method for judging shape, program for judging shape, apparatus for producing blank, and blank" (Japanese Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,365,020, issued on July 22, was assigned to NIPPON STEEL Corp. (Tokyo).

"Method for producing blank, method for producing press-formed part, method for judging shape, program for judging shape, apparatus for producing blank, and blank" was invented by Jun Nitta (Tokyo), Takashi Yasutomi (Tokyo) and Ryo Tabata (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention has as its technical problem to provide a punching method able to stably secure a stretch-flangeability equal to or greater than the case of using a punch having a flat blade at its bottom surface. The punching method of the present invention is a method of punching a metal...