INTERNATIONAL PATENT: KABUSHIKI KAISHA RIKEN, 株式会社リケン FILES APPLICATION FOR "PISTON RING FOR INTERNAL COMBUSTION ENGINE USING HYDROGEN FUEL AND METHOD FOR SUPPRESSING CORROSION OF PISTON RING IN INTERNAL COMBUSTION ENGINE USING HYDROGEN FUEL"

GENEVA, April 28 -- KABUSHIKI KAISHA RIKEN (8-1, Sanbancho, Chiyoda-ku, Tokyo1028202), 株式会社リケン (東京都千代田区三番町８番地１) filed a patent application (PCT/JP2024/041022) for "PISTON RING FOR INTERNAL COMBUSTION ENGINE USING HYDROGEN FUEL, AND METHOD FOR SUPPRESSING CORROSION OF PISTON RING IN INTERNAL COMBUSTION ENGINE USING HYDROGEN FUEL" on Nov 19, 2024. With publication no. WO/2026/083596, the details related to the patent application was published on Apr 23, 2026.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Inte...