Intellectual Property India Publishes Patent Application for 'Piston Ring And Piston Ring Combination' Filed by Kabushiki Kaisha Riken

MUMBAI, India, Sept. 12 -- Intellectual Property India has published a patent application (202517079371 A) filed by Kabushiki Kaisha Riken, Tokyo, on Aug. 21, for 'piston ring and piston ring combination.'

Inventor(s) include Oshimi Keiichi; and Ishikawa Masahiro.

The application for the patent was published on Sept. 12, under issue no. 37/2025.

According to the abstract released by the Intellectual Property India: "This piston ring is to be mounted on the piston of an internal combustion engine. The piston ring is equipped with: a main body section which has an inner-circumferential surface, an outer-circumferential surface, and one lateral surface and another lateral surface which intersect the inner-circumferential surface; and an abu...