Class H04K : SECRET COMMUNICATION; JAMMING OF COMMUNICATION
Subclass 1/08: Secret communication (ciphering or deciphering apparatus per se G09C ; systems with reduced bandwidth or suppressed carrier H04B 1/66 ; spread spectrum techniques H04B 1/69 ; by using a sub-carrier H04B 14/08 ; by multiplexing H04J ; transmission systems for secret digital information H04L 9/00 ; secret or subscription television systems H04N 7/16, H04N 21/00 ) by varying the polarisation of transmitted waves
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11860376 | Polarization decomposition device | May 17, 19 | Jan 02, 24 | Electronics and Telecommunications Research Institute |
| RE49244 | Communication apparatus and communication system | Mar 07, 19 | Oct 11, 22 | Panasonic Intellectual Property Corporation of America |
| 11146393 | Method for encoding and decoding data by varying the distinctive characteristics of an optical radiation, encoding device and decoding system | Jul 11, 18 | Oct 12, 21 | SLUX Sagl |
| 10511437 | Fast polarization encoding using electrooptical phase modulator | Oct 05, 17 | Dec 17, 19 | International Center for Quantum Optics & Quantum Technologies LLC |
| 10470039 | Highly-secure wireless communication system | Oct 18, 13 | Nov 05, 19 | Hitachi, Ltd. |
| RE47356 | Communication apparatus and communication system | Dec 16, 14 | Apr 16, 19 | Panasonic Intellectual Property Corporation of America |
| 9287994 | Great circle solution to polarization-based quantum communication (QC) in optical fiber | Aug 31, 12 | Mar 15, 16 | LOS ALAMOS NATIONAL SECURITY, LLC |
| 7889868 | Quantum key distribution system | Sep 30, 05 | Feb 15, 11 | VERIZON PATENT AND LICENSING INC. |
| 7492903 | Secret key distribution method and secret key distribution system | Oct 29, 04 | Feb 17, 09 | KABUSHIKI KAISHA TOSHIBA |
| 7317796 | System and method for video stream encryption | Sep 18, 03 | Jan 08, 08 | INSTITUTE FOR INFORMATION INDUSTRY |
| 7174013 | Efficient universal hashing method | Oct 20, 98 | Feb 06, 07 | LUCENT TECHNOLOGIES INC., PROVENANCE ASSET GROUP LLC, |
| 6748083 | Method and apparatus for free-space quantum key distribution in daylight | Apr 27, 01 | Jun 08, 04 | LOS ALAMOS NATIONAL SECURITY, LLC |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2022/0329,344 | COMMUNICATION DEVICES AND METHODS FOR SECURE COMMUNICATION | Jul 16, 20 | Oct 13, 22 | Sony Group Corporation |
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