US Patent Issued to JFE Steel on May 20 for "Stainless steel sheet and methods for manufacturing the same" (Japanese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,247, issued on May 20, was assigned to JFE Steel Corp. (Tokyo).

"Stainless steel sheet and methods for manufacturing the same" was invented by Shuji Nishida (Tokyo) and Ayako Ta (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A stainless steel sheet has a surface quality in which a core height Sk is 1.50 micro metre or less, a reduced peak height Spk is 0.20 micro metre or less, and an areal material ratio Smr2 that separates a reduced dale from a core is 80% or less, where the core height Sk, the reduced peak height Spk, and the areal material ratio Smr2 are as specified in JIS B 0681-2:2018. The stainless steel sheet has a whiteness of 50 or...