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| Patent ID | Title | Date Filed |
| 6912285 | Mechanism for efficient private bulk messaging
| February 26, 2001 |
| 6891953 | Method and system for binding enhanced software features to a persona
| June 27, 2000 |
| 6854061 | Installing and controlling trial software
| October 15, 2002 |
| 6854059 | Method and apparatus for medium access control in powerline communication network systems
| June 6, 2001 |
| 6845160 | Apparatus and method for depositing encryption keys
| October 14, 1999 |
| 6834111 | DATA TRANSMITTING/RECEIVING METHOD, DATA TRANSMITTER, DATA RECEIVER, DATA TRANSMITTING/RECEIVING SYSTEM, AV CONTENT TRANSMITTING METHOD, AV CONTENT RECEIVING METHOD, AV CONTENT TRANSMITTER, AV CONTENT RECEIVER, AND PROGRAM RECORDING MEDIUM
| December 1, 1999 |
| 6816970 | Security method and system for persistent storage and communications on computer network systems and computer network systems employing the same
| January 12, 2001 |
| 6801999 | Passive and active software objects containing bore resistant watermarking
| May 20, 1999 |
| 6795555 | Encryption key exchange protocol
| December 30, 1999 |
| 6792545 | Enterprise computer investigation system
| June 20, 2002 |
| 6792113 | Adaptable security mechanism for preventing unauthorized access of digital data
| December 20, 1999 |
| 6785390 | System and method for asynchronous decryption
| May 16, 2000 |
| 6775773 | Protectedly reading out an enciphered, cryptographic key
| June 12, 2000 |
| 6738907 | Maintaining a soft-token private key store in a distributed environment
| April 13, 1998 |
| 6728878 | Deferred billing, broadcast, electronic document distribution system and method
| August 6, 2001 |
| 6728379 | Information processor and information processing method
| June 28, 1999 |
| 6718467 | Password based protocol for secure communications
| October 28, 1999 |
| 6711680 | Method of limiting key usage in a postage metering system that produces cryptographically secured indicium
| December 9, 1999 |
| 6690795 | Multiple keys for decrypting data in restricted-access television system
| March 4, 1997 |
| 6683954 | Key encryption using a client-unique additional key for fraud prevention
| October 23, 1999 |
| 6530020 | Group oriented public key encryption and key management system
| June 18, 1998 |
| 6529603 | Method and apparatus to reduce the risk of observation of a secret value used by an instruction sequence
| April 23, 1999 |
| 6490685 | Storage device having testing function and memory testing method
| December 4, 1998 |
| 6457126 | Storage device, an encrypting/decrypting device and method of accessing a non-volatile memory
| July 20, 2000 |
| 6449473 | Security method for transmissions in telecommunication networks
| March 9, 2000 |
| 6424714 | Method and apparatus for providing conditional access in connection-oriented interactive networks with a multiplicity of service providers
| August 18, 1998 |
| 6418224 | Methods and apparatus for self-inverting multiple-iteration CMEA crypto-processing for improved security for wireless telephone messages
| May 5, 1998 |
| 6408389 | System for supporting secured log-in of multiple users into a plurality of computers using combined presentation of memorized password and transportable passport record
| December 5, 2000 |
| 6393128 | System for broadcasting data signals in a secure manner
| August 31, 1999 |
| 6393127 | Method for transferring an encryption key
| March 2, 1998 |
| 6377692 | Method and system for controlling key for electronic signature
| March 11, 1999 |
| 6370250 | Method of authentication and storage of private keys in a public key cryptography system (PKCS)
| October 29, 1998 |
| 6347145 | Method and apparatus of enciphering and deciphering data using keys enciphered and deciphered with other keys
| June 26, 1997 |
| 6339828 | System for supporting secured log-in of multiple users into a plurality of computers using combined presentation of memorized password and transportable passport record
| May 3, 2000 |
| 6337911 | Deferred billing, broadcast, electronic document distribution system and method
| March 9, 1998 |
| 6332025 | Software distribution system and software utilization scheme for improving security and user convenience
| December 18, 2000 |
| 6292899 | Volatile key apparatus for safeguarding confidential data stored in a computer system memory
| September 23, 1998 |
| 6272225 | Key recovery condition encryption and decryption apparatuses
| July 7, 1998 |
| 6263437 | Method and apparatus for conducting crypto-ignition processes between thin client devices and server devices over data networks
| February 19, 1998 |
| 6240188 | Distributed group key management scheme for secure many-to-many communication
| November 11, 1999 |
| 6222923 | Method for securing system protected by a key hierarchy
| December 15, 1997 |
| 6209098 | Circuit and method for ensuring interconnect security with a multi-chip integrated circuit package
| September 21, 1998 |
| 6195432 | Software distribution system and software utilization scheme for improving security and user convenience
| March 10, 1997 |
| 6192132 | Short term internet access
| June 26, 1998 |
| 6169805 | System and method of operation for providing user's security on-demand over insecure networks
| February 28, 1997 |
| 6108424 | Mobile radio telephone station comprising a protection system for at least one authentication number and method of protecting an authentication number
| January 5, 1998 |
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