MUMBAI, India, Nov. 2 -- Intellectual Property India has published a patent application (202617092980 A) filed by Nippon Steel Corporation on July 31, 2026, for Grain-Oriented Electrical Steel Sheet And Method For Forming Insulating Coating Film.
Inventors include Takeda Kazutoshi; Kataoka Takashi; Yamagata Ryutaro; and Takatani Shinsuke.
The application for the patent was published on October 30, 2026, under issue no. 44/2026.
Abstract: This grain-oriented electrical steel sheet comprises a base material steel sheet and an insulating coating film that is formed on the surface of the base material steel sheet and contains a metal phosphate. The insulating coating film contains aggregates of silica microparticles. When the electrical stee...