MUMBAI, India, March 15 -- Intellectual Property India has published a patent application (202517016483 A) filed by Nippon Steel Corporation, Tokyo, on Feb. 25, for 'method for manufacturing spot welded joint, and spot welded joint.'
Inventor(s) include Yoshinaga, Chisato.
The application for the patent was published on March 14, under issue no. 11/2025.
According to the abstract released by the Intellectual Property India: "Provided is a method for manufacturing a spot welded joint, comprising: a regular welding step in which a regular welding current value Iw0 (kA) is supplied, so as to satisfy a predetermined condition, to a plate assembly comprising high-strength steel plates having a Ceq of at least 0.36% by mass, and a molten porti...