H04K 1/08

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
RE49244 Communication apparatus and communication systemMar 07, 19Oct 11, 22Panasonic Intellectual Property Corporation of America
RE47356 Communication apparatus and communication systemDec 16, 14Apr 16, 19Panasonic Intellectual Property Corporation of America
9287994 Great circle solution to polarization-based quantum communication (QC) in optical fiberAug 31, 12Mar 15, 16LOS ALAMOS NATIONAL SECURITY, LLC
7889868 Quantum key distribution systemSep 30, 05Feb 15, 11VERIZON PATENT AND LICENSING INC.
7492903 Secret key distribution method and secret key distribution systemOct 29, 04Feb 17, 09KABUSHIKI KAISHA TOSHIBA
7317796 System and method for video stream encryptionSep 18, 03Jan 08, 08INSTITUTE FOR INFORMATION INDUSTRY
7174013 Efficient universal hashing methodOct 20, 98Feb 06, 07LUCENT TECHNOLOGIES INC., PROVENANCE ASSET GROUP LLC,
6748083 Method and apparatus for free-space quantum key distribution in daylightApr 27, 01Jun 08, 04LOS ALAMOS NATIONAL SECURITY, LLC
4802219 Method and apparatus for distorting a speech signalJan 13, 84Jan 31, 89TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
4638494 System for the acquisition of code signalsAug 19, 70Jan 20, 87Sperry Corporation
4387393 Signal unscramblerJul 11, 80Jun 07, 83Microdyne Corporation