ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,149, issued on July 14, was assigned to JFE STEEL Corp. (Tokyo).
"Method for producing grain-oriented electrical steel sheet" was invented by Takeshi Imamura (Tokyo), Ayaka Yoshikawa (Tokyo), Masanori Takenaka (Tokyo) and Hiroi Yamaguchi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a method for producing a grain-oriented electrical steel sheet that can solve the problem of cracking in steel sheets during final cold rolling and that can stably produce a grain-oriented electrical steel sheet with low iron loss. A production method includes predetermined steps, wherein the conditions: Tless than equal to-4000xA+440, and Tless than e...