ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,744, issued on May 26, was assigned to JFE STEEL Corp. (Tokyo).
"Hot-dip galvanized steel sheet and method for producing same, and member" was invented by Hidekazu Minami (Tokyo), Yusuke Wada (Tokyo), Yuki Toji (Tokyo) and Yoichi Makimizu (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a hot-dip galvanized steel sheet that has a high YR, as well as high ductility, stretch flangeability, and bendability, improved shear workability, and a TS of 1,180 MPa or more. The base steel sheet of the hot-dip galvanized steel sheet has a defined chemical composition and steel microstructure. In particular, a number ratio of retained austenite (G...