| Patents for H04K 1 - Secret communication (16,771) |
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| 06/16/2009 | US7549046 Method and system for vehicle authorization of a service technician |
| 06/16/2009 | US7548643 Methods, objects and apparatus employing machine readable data |
| 06/16/2009 | US7548620 Token provisioning |
| 06/16/2009 | US7548619 System and method for copy protection for digital signals |
| 06/16/2009 | US7548594 Adaptive channel estimation method used in multi-carrier communication system |
| 06/16/2009 | US7548508 System and method for contention based tones in a multipoint-to-point orthogonal frequency division multiplexing system |
| 06/16/2009 | US7548266 Methods and apparatus for providing portable photographic images |
| 06/16/2009 | US7546957 Travel kiosk |
| 06/11/2009 | WO2009073174A2 Encryption for soft earning unit |
| 06/11/2009 | US20090150672 Method and apparatus for mutual authentication in downloadable conditional access system |
| 06/11/2009 | US20090150561 Modulator timing for quantum key distribution |
| 06/11/2009 | US20090147956 Sharing a Secret Element |
| 06/10/2009 | EP2067292A1 Transaction payables processing system and approach |
| 06/10/2009 | EP2067291A2 System and method for controlled viral distribution of digital content in a social network |
| 06/09/2009 | US7546630 Methods, systems, and media to authenticate a user |
| 06/09/2009 | US7546629 System and methodology for security policy arbitration |
| 06/09/2009 | US7546466 Decoding of watermarked information signals |
| 06/09/2009 | US7546459 GSM-like and UMTS-like authentication in a CDMA2000 network environment |
| 06/09/2009 | US7546458 Method for organizing virtual networks while optimizing security |
| 06/09/2009 | US7546373 Secure dynamic credential distribution over a network |
| 06/09/2009 | US7546327 Platform independent randomness accumulator for network applications |
| 06/09/2009 | US7545952 Image or video display devices |
| 06/09/2009 | US7545951 Data transmission by watermark or derived identifier proxy |
| 06/09/2009 | US7545940 System for publishing content on a portable digital storage medium |
| 06/09/2009 | US7545934 Security information packaging system, LSI, and security information packaging method |
| 06/09/2009 | US7545929 Analog encryption |
| 06/09/2009 | US7545880 Multiple polynomial digital predistortion |
| 06/09/2009 | US7545872 Signal component demultiplexing apparatus, filter apparatus, receiving apparatus, communication apparatus, and communication method |
| 06/09/2009 | US7545869 Method of reducing the peak-to-average power ratio of a fourier transform-generated multi-carrier signal in transmission systems |
| 06/09/2009 | US7545851 Communication system with receivers employing generalized two-stage data estimation |
| 06/04/2009 | WO2009070724A1 A system for the creation, production and distribution of music |
| 06/04/2009 | WO2009070716A1 Control system arrangements and methods for disparate network systems |
| 06/04/2009 | WO2009070339A1 System for and method of locking and unlocking a secret using a fingerprint |
| 06/04/2009 | WO2006101710A3 Mimo air interface utilizing dirty paper coding |
| 06/04/2009 | US20090144562 Method and system for encryption of file characteristics of .ZIP files |
| 06/04/2009 | US20090144382 Method for certifying and unifying delivery of electronic packages |
| 06/04/2009 | US20090141898 Method and system for secure data aggregation in wireless sensor networks |
| 06/03/2009 | CN100495959C System in a digital wireless data communication network for arranging end-to-end encryption and corresponding terminal equipment |
| 06/03/2009 | CN100495958C Device for controlling parameters of cipher stream of chaos enciphering communication and method of anti damage |
| 06/02/2009 | US7543337 System and method for automatic verification of the holder of an authorization document and automatic establishment of the authenticity and validity of the authorization document |
| 06/02/2009 | US7543333 Enhanced computer intrusion detection methods and systems |
| 06/02/2009 | US7543160 System and method for generating a secure state indicator on a display |
| 06/02/2009 | US7543158 Hybrid cryptographic accelerator and method of operation thereof |
| 06/02/2009 | US7543156 Transaction authentication card |
| 06/02/2009 | US7543144 System and method for lost data destruction of electronic data stored on portable electronic devices |
| 06/02/2009 | US7543141 Method and apparatus for user authentication using infrared communication of a mobile terminal |
| 06/02/2009 | US7542906 Off-site detention monitoring system |
| 06/02/2009 | US7542587 Content processing methods using reversible watermarking |
| 06/02/2009 | US7542584 Image processing method, image processing apparatus, program and recording medium that can reduce image quality degradation |
| 06/02/2009 | US7542569 Security of data connections |
| 06/02/2009 | US7542566 Apparatus and method for performing transparent cipher block chaining mode cryptographic functions |
| 06/02/2009 | US7542518 Predistortion apparatus and method for compensating for a nonlinear distortion characteristic of a power amplifier using a look-up table |
| 06/02/2009 | US7542516 Synchronization method for symbol boundary detection in UWB-OFDM |
| 06/02/2009 | US7542514 Method and device for adaptive modulation and coding based on second order statistics of channel information |
| 06/02/2009 | US7542513 Communication data using wideband communications |
| 06/02/2009 | US7542446 Space time transmit diversity with subgroup rate control and subgroup antenna selection in multi-input multi-output communications systems |
| 06/02/2009 | US7541920 Alarm/event encryption in an industrial environment |
| 05/28/2009 | WO2007129308A9 Cryotherapy planning and control system |
| 05/28/2009 | WO2006069082A3 Access keys |
| 05/28/2009 | US20090138722 Secure authentication for authorization for transaction processing |
| 05/28/2009 | US20090138707 Method for Fast Pre-Authentication by Distance Recognition |
| 05/28/2009 | US20090136035 Public key infrastructure-based bluetooth smart-key system and operating method thereof |
| 05/28/2009 | US20090136033 Method for preserving privacy of a reputation inquiry in a peer-to-peer communication environment |
| 05/28/2009 | US20090136028 Secure content distribution apparatus, systems, and methods |
| 05/27/2009 | EP2062254A1 Steganography in digital signal encoders |
| 05/27/2009 | EP1756994A4 Network security and fraud detection system and method |
| 05/26/2009 | US7540014 Automated policy change alert in a distributed enterprise |
| 05/26/2009 | US7539875 Secure repository with layers of tamper resistance and system and method for providing same |
| 05/26/2009 | US7539874 Secure password entry |
| 05/26/2009 | US7539867 On-disk file format for a serverless distributed file system |
| 05/26/2009 | US7539866 Method of cryptographing wireless data and apparatus using the method |
| 05/26/2009 | US7539860 Single use user IDS |
| 05/26/2009 | US7539751 Media information distribution and recording system, and apparatus and program-recorded medium for the system |
| 05/26/2009 | US7539648 Secure user certification for electronic commerce employing value metering system |
| 05/26/2009 | US7539647 Using power state to enforce software metering state |
| 05/26/2009 | US7539514 System and method for using a temporary electronic serial number for over-the-air activation of a mobile device |
| 05/26/2009 | US7539463 Techniques to enhance diversity for a wireless system |
| 05/26/2009 | US7539309 Method and system for GSM authentication during WLAN roaming |
| 05/26/2009 | US7539308 Quantum steganography |
| 05/26/2009 | US7539304 Integrated circuit having self test capability using message digest and method for testing integrated circuit having message digest generation circuitry |
| 05/26/2009 | US7539269 Method and apparatus for discrete power synthesis of multicarrier signals with constant envelope power amplifiers |
| 05/26/2009 | US7539260 Detecting the number of transmit antennas in wireless communication systems |
| 05/26/2009 | US7539255 Using multiple pilot signals for timing error estimation in digital subscriber line communications |
| 05/26/2009 | US7539253 Interpolation in channel state feedback |
| 05/26/2009 | US7539237 Fast locking mechanism for channelized ultrawide-band communications |
| 05/26/2009 | US7539126 Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system |
| 05/22/2009 | WO2009064409A1 Wireless mesh network with secure automatic key loads to wireless devices |
| 05/22/2009 | WO2009045586A3 Encoded digital video content protection between transport stream processor and decoder |
| 05/22/2009 | WO2007113787A3 Certificate implementation system |
| 05/22/2009 | WO2007107976A3 Period keys |
| 05/22/2009 | WO2007046982A3 Method for obtaining and managing restricted media content in a network of media devices |
| 05/22/2009 | WO2006078556A3 Technique for providing multiple levels of security |
| 05/21/2009 | US20090132818 Content server apparatus, on-vehicle player apparatus, system, method, and program |
| 05/21/2009 | US20090132422 Machine-readable and enforceable license |
| 05/21/2009 | US20090132391 System and method for extracting, decoding, and utilizing hidden data embedded in audio signals |
| 05/21/2009 | US20090129594 System and method for providing a trusted network facilitating inter-process communications via an e-box |
| 05/21/2009 | US20090129494 Apparatus and method for canceling dc offset in broadband wireless access communication system |
| 05/20/2009 | EP2060040A2 Utilizing phrase tokens in transactions |
| 05/20/2009 | CN101438526A Advertisement rotation |
| 05/20/2009 | CN101438525A Method and apparatus for end-to-end clear transport protocol |