Patents Archive

2005

Patent No. 6,973,565
Date granted: December 6, 2005
Biometrically secured memory IC
URL: link

Patent No. 6,968,384
Date granted: November 22, 2005
License management system and method for commuter licensing
URL: link

Patent No. 6,959,086
Date granted: October 25, 2005
Cryptographic key management scheme
URL: link

Patent No. 6,941,404
Date granted: September 6, 2005
Data transfer device, transaction system and method for exchanging control and I/O data with a data processing system
URL: link

Patent No. 6,856,981
Date granted: February 15, 2005
High speed data stream pattern recognition
URL: link

2004

Patent No. 6,807,553
Date granted: October 19, 2004
Digital true random number generator circuit
URL: link

Patent No. 6,708,273
Date granted: March 16, 2004
Description: Apparatus and method for implementing IPSec transforms within an integrated circuit
URL: link

Patent No. 6,704,871
Date granted: March 9, 2004
Description: Cryptographic co-processor
URL: link

Patent No. 6,678,734
Date granted: January 13, 2004
Description: A method for intercepting network packets in a computing device
URL: link

2003

Patent No. 6,671,808
Date granted: December 30, 2003
Description: USB compliant personal key
URL: link

Patent No. 6,654,465
Date granted: November 25, 2003
Description: Method of implementing a key recovery system
URL: link

Patent No. 6,631,472
Date granted: October 7, 2003
Description: Kernel mode protection
URL: link

Patent No. 6,523,119
Date granted: February 18, 2003
Description: Software protection device and method.
URL: link

2002

Patent No. 6,463,538
Date granted: October 8, 2002
Description: Method of software protection using a random code generator.
URL: link

Patent No. 6,453,415
Date granted: September 17, 2002
Description: Method of communicating securely between an application program and a secure kernel
URL: link

Patent No. 6,438,612
Date granted: August 20, 2002
Description: Method and arrangement for secure tunneling of data between virtual routers
URL: link

Patent No. 6,434,585
Date granted: August 13, 2002
Description: Computationally efficient modular multiplication method and apparatus.
URL: link

Patent No. 6,412,069
Date granted: June 25, 2002
Description: Extending cryptographic services to the kernel space of a computer operating system
URL: link

Patent No. 6,397,331
Date granted: May 28, 2002
Description: Method for expanding secure kernel program memory
URL: link

2001

Patent No. 6,307,936
Date granted: October 23, 2001
Description: Cryptographic key management scheme
URL: link

Patent No. 6,282,657
Date granted: August 28, 2001
Description: Kernel mode protection
URL: link

Patent No. 6,282,290
Date granted: August 28, 2001
Description: High-speed modular exponentiator
URL: link

Patent No. 6,278,782
Date granted: August 21, 2001
Description: Method of implementing a key recovery system
URL: link

Patent No. 6,240,436
Date granted: May 29, 2001
Description: High-speed Montgomery value calculation
URL: link

2000

Patent No. 6,167,136
Date granted: December 26, 2000
Description: Method for preventing copying of digital video disks
URL: link

Patent No. 6,128,741
Date granted: October 3, 2000
Description: Compact transparent dongle device.
URL: link

Patent No. 6,021,438
Date granted: February 1, 2000
Description: License management system using daemons and aliasing
URL: link

1999

Patent No. 6,005,940
Date granted: December 21, 1999
Description: System for securely storing and reading encrypted data on a data medium using a transponder.
URL: link

Patent No. 5,996,077
Date granted: November 30, 1999
Description: Access control system and method using hierarchical arrangement of security devices
URL: link

Patent No. 5,892,906
Date granted: April 6, 1999
Description: Apparatus and method for preventing theft of computer devices.
URL: link

Patent No. 5,878,142
Date granted: March 2, 1999
Description: Pocket encrypting and authenticating communications device
URL: link

1998

Patent No. 5,826,011
Date granted: October 20, 1998
Description: Method of metering and protecting computer software
URL: link

Patent No. 5,796,833
Date granted: August 18, 1998
Description: Public key sterilization
URL: link

Patent No. 5,778,071
Date granted: July 7, 1998
Description: Pocket encrypting and authenticating communications device
URL: link

Patent No. 5,737,424
Date granted: April 7, 1998
Description: Method and system for secure distribution of protected data using elliptic curve systems
URL: link

1997

Patent No. 5,638,444
Date granted: June 10, 1997
Description: Secure computer communication method and system
URL: link

1996

Patent No. 5,546,463
Date granted: August 13, 1996
Description: Pocket encrypting and authenticating communications device
URL: link

1994

Patent No. 5,337,357
Date granted: August 9, 1994
Description: Method of software distribution protection.
URL: link

1993

Patent No. 5,222,133
Date granted: June 22, 1993
Description: Method of protecting computer software from unauthorized execution using multiple keys.
URL: link

Patent No. 5,210,710
Date granted: May 11, 1993
Description: Modulo arithmetic processor chip
URL: link

1992

Patent No. 5,081,676
Date granted: January 14, 1992
Method and apparatus for protecting multiple copies of computer software from unauthorized use.
URL: link

1990

Patent No. 4,972,474
Date granted: November 20, 1990
Description: Integer encryptor
URL: link

Patent No. 4,967,389
Date granted: October 30, 1990
Description: Bit density controller
URL: link

Patent No. 4,932,054
Date granted: June 5, 1990
Description: Method and apparatus for protecting computer software utilizing coded filter network in conjunction with an active coded hardware device.
URL: link

Patent No. 4,891,781
Date granted: January 2, 1990
Description: Modulo arithmetic processor chip
URL: link

1989

Patent No. 4,868,376
Date granted: September 19, 1989
Description: Intelligent portable interactive personal data system
URL: link

1988

Patent No. 4,771,400
Date granted: September 13, 1988
Description: Bit density controller
URL: link