MUMBAI, India, Aug. 29 -- Intellectual Property India has published a patent application (202517076383 A) filed by Nippon Piston Ring Co. Ltd., Saitama, Japan, on Aug. 11, for 'iron-based sintered alloy valve seat for internal combustion engines and method for producing same.'
Inventor(s) include Ikemi Satoshi; and Sato Katsuaki.
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: "The present invention provides an iron-based sintered alloy valve seat. The present invention is a sintered body of an iron-based sintered alloy having a two-layer structure in which a functional-member-side layer and a support-member-side layer are integrally ...