ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,607, issued on Nov. 18, was assigned to JFE STEEL Corp. (Tokyo).

"Abrasion-resistant steel plate and method of producing abrasion-resistant steel plate" was invented by Shigeki Kitsuya (Tokyo), Hitoshi Sueyoshi (Tokyo) and Tomoyuki Yokota (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an abrasion-resistant steel plate excellent in both abrasion resistance and wide bending workability. An abrasion-resistant steel plate comprises a specific chemical composition, wherein a volume fraction of martensite at a depth of 1 mm from a surface of the abrasion-resistant steel plate is 90% or more, hardness at a depth of 1 mm from the surface ...