GENEVA, Dec. 1 -- 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/JP2025/016014) for "SERVO WRITE HEAD, SERVO PATTERN RECORDING DEVICE, METHOD FOR MANUFACTURING MAGNETIC TAPE, AND METHOD FOR RECORDING SERVO PATTERN" on Apr 25, 2025. With publication no. WO/2025/243789, the details related to the patent application was published on Nov 27, 2025.

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