GENEVA, Nov. 18 -- SHARP KABUSHIKI KAISHA (1 Takumi-cho, Sakai-ku, Sakai City, Osaka5908522) filed a patent application (PCT/JP2025/016509) for "METHOD AND APPARATUS FOR SECURITY KEY UPDATE" on May 01, 2025. With publication no. WO/2025/234399, the details related to the patent application was published on Nov 13, 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): TSENG Yung-Lan, LIU He-Hsuan, LIN Chia-Hung

Abstract: A method performed by a User Equipment (UE) for performing a security key update operation is provided. The method receives, from a source cell, a Layer1/Layer2 Triggered Mobility...