GENEVA, March 30 -- NTN CORPORATION (3-6-32, Nakanoshima, Kita-ku, Osaka-shi, Osaka5300005), NTN株式会社 (大阪府大阪市北区中之島三丁目6番32号) filed a patent application (PCT/JP2025/030935) for "OIL SEAL, AND ROLLING BEARING DEVICE FOR ROLLING STOCK AXLE" on Sep 02, 2025. With publication no. WO/2026/063193, the details related to the patent application was published on Mar 26, 2026.

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): ISHIBAS...