MUMBAI, India, Aug. 29 -- Intellectual Property India has published a patent application (202517072889 A) filed by Nippon Steel Corporation, Tokyo, on July 31, for 'grooving method, grooving device, and grain-oriented electrical steel sheet.'
Inventor(s) include Sakai Tatsuhiko; and Hamamura Hideyuki.
The application for the patent was published on Aug. 29, under issue no. 35/2025.
According to the abstract released by the Intellectual Property India: "Provided is a grooving method for forming grooves on a grain-oriented electrical steel sheet, wherein: the method includes a grooving step for forming, by scanning a laser beam, linear grooves at constant intervals or non-constant intervals in a rolling direction of the grain-oriented elec...