GENEVA, May 5 -- SK TELECOM CO., LTD. (SK T-Tower, 65, Eulji-roJung-guSeoul 04539), 에스케이텔레콤 주식회사 (서울특별시중구을지로 65 SK T-타워) filed a patent application (PCT/KR2025/016108) for "PLANAR LIGHTWAVE CIRCUIT-BASED POLARIZED SIGNAL TRANSMISSION DEVICE FOR QUANTUM KEY DISTRIBUTION AND TRANSMISSION METHOD THEREOF" on Oct 14, 2025. With publication no. WO/2026/089362, the details related to the patent application was published on Apr 30, 2026.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Prope...