Intellectual Property India Publishes Patent Application for Rare Earth Sintered Magnet, Method For Manufacturing Rare Earth Sintered Magnet, Rotor, And Rotary Machine

MUMBAI, India, Aug. 31 -- Intellectual Property India has published a patent application (202527112291 A) filed by Mitsubishi Electric Corporation on November 14, 2025, for Rare Earth Sintered Magnet, Method For Manufacturing Rare Earth Sintered Magnet, Rotor, And Rotary Machine.

Inventors include Iwasaki Akito; Nakamura, Yasutaka; Watanabe, Takanori; and Shimokawa, Takaya Number.

The application for the patent was published on August 28, 2026, under issue no. 35/2026.

Abstract: A rare earth sintered magnet (1) comprises: a main phase (10) containing crystal grains satisfying the general formula (Nd, Pr, RH, R)- Fe-B and based on an Nd2Fe14B crystal structure, where RH denotes a heavy rare earth element containing at least one of Dy and ...