GENEVA, Nov. 3 -- SONY GROUP CORPORATION (1-7-1 Konan, Minato-ku, Tokyo1080075), ソニーグループ株式会社 (東京都港区港南1丁目7番1号) filed a patent application (PCT/JP2025/012766) for "MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING TAPE CARTRIDGE, AND METHOD FOR MANUFACTURING MAGNETIC RECORDING MEDIUM" on Mar 28, 2025. With publication no. WO/2025/225272, the details related to the patent application was published on Oct 30, 2025.

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