US Patent Issued to NIPPON STEEL on Sept. 23 for "Hot-rolled steel sheet and manufacturing method thereof" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,566, issued on Sept. 23, was assigned to NIPPON STEEL Corp. (Tokyo).

"Hot-rolled steel sheet and manufacturing method thereof" was invented by Eisaku Sakurada (Tokyo), Takashi Yasutomi (Tokyo) and Genki Abukawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "This hot-rolled steel sheet has a predetermined chemical composition and predetermined metallographic structure, a ratio between a maximum depth of a region where, on one surface, a rotation angle between a normal line of the one surface and a (011) pole near the normal line of the one surface is 5deg or less and a maximum depth of a region where, on the other surface, a rotation angle be...