GENEVA, April 6 -- 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/JP2023/035691) for "OIL CONTROL RING" on Sep 29, 2023. With publication no. WO/2025/069396, the details related to the patent application was published on Apr 03, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
Inventor(s): HIRADE Yoshiyuki (c/o Kabushiki Kaisha Riken Kashiwazaki Plant, 1-37, Hokuto-cho, Kashiwazaki-shi...