№ EP4675974A1발명
심사 중METHOD FOR ESTABLISHING A SECURE E-MAIL COMMUNICATION CHANNEL, DATA PROCESSING SYSTEM, COMPUTER PROGRAM, AND COMPUTER-READABLE MEDIUM
METHOD FOR ESTABLISHING A SECURE E-MAIL COMMUNICATION CHANNEL, DATA PROCESSING SYSTEM, COMPUTER PROGRAM, AND COMPUTER-READABLE MEDIUM
❖Der Petersen GmbH & Co. KGDE JONGH, Henry; PETERSEN, ChristianJan 6, 2026H04L, H04L17