ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,768,004, issued on Oct. 20, was assigned to NIPPON STEEL Corp. (Tokyo).
"Steel sheet and method of production of same" was invented by Katsuya Nakano (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Steel sheet able to reduce die damage at the time of cold pressing, that is, steel sheet having a predetermined chemical composition and steel microstructure which has on the sheet surface a plurality of step differences having height differences of more than 5.0 micro metre at intervals of 2.0 mm or less."
The patent was filed on Feb. 7, 2022, under Application No. 18/284,038.
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