MUMBAI, India, June 6 -- Intellectual Property India has published a patent application (202517046502 A) filed by Nippon Steel Corporation, Tokyo, on May 14, for 'grain-oriented electrical steel sheet.'
Inventor(s) include Iwaki, Masataka; Morishige, Nobusato; Kataoka, Takashi; Atsumi, Haruhiko; and Takahashi, Masaru.
The application for the patent was published on June 6, under issue no. 23/2025.
According to the abstract released by the Intellectual Property India: "The present invention further reduces iron loss in an obtained grain-oriented electrical steel sheet by controlling the shape of a linear groove formed for magnetic domain refinement and controlling the Sa values for the surface roughness of the bottom surface of the groove...