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John D. Wilkins
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Somerville, VA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Secure cryptographic operations using control vectors generated ins...
Patent number
5,432,849
Issue date
Jul 11, 1995
International Business Machines Corporation
Donald B. Johnson
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Network security system and method using a parallel finite state ma...
Patent number
5,414,833
Issue date
May 9, 1995
International Business Machines Corporation
Paul C. Hershey
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for multimedia access control enablement
Patent number
5,319,705
Issue date
Jun 7, 1994
International Business Machines Corporation
Bernard J. Halter
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Cryptographic facility environment backup/restore and replication i...
Patent number
5,265,164
Issue date
Nov 23, 1993
International Business Machines Corporation
Stephen M. Matyas
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for validating entry of cryptographic keys
Patent number
5,214,698
Issue date
May 25, 1993
International Business Machines Corporation
Ronald M. Smith
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Public key cryptosystem key management based on control vectors
Patent number
5,200,999
Issue date
Apr 6, 1993
International Business Machines Corporation
Stephen M. Matyas
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for generating public and private key pairs without using a...
Patent number
5,201,000
Issue date
Apr 6, 1993
International Business Machines Corporation
Stephen M. Matyas
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Secure translation of usage-control values for cryptographic keys
Patent number
5,177,791
Issue date
Jan 5, 1993
International Business Machines Corp.
Phil C. Yeh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method to establish and enforce a network cryptographic security po...
Patent number
5,164,988
Issue date
Nov 17, 1992
International Business Machines Corporation
Stephen M. Matyas
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Hybrid public key algorithm/data encryption algorithm key distribut...
Patent number
5,142,578
Issue date
Aug 25, 1992
International Business Machines Corporation
Stephen M. Matyas
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Secure management of keys using control vectors with multi-path che...
Patent number
5,103,478
Issue date
Apr 7, 1992
International Business Machines Corporation
Stephen M. Matyas
G07 - CHECKING-DEVICES
Information
Patent Grant
Method and apparatus for controlling the use of a public key, based...
Patent number
5,073,934
Issue date
Dec 17, 1991
International Business Machines Corporation
Stephen M. Matyas
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Secure key management using programable control vector checking
Patent number
5,007,089
Issue date
Apr 9, 1991
International Business Machines Corporation
Stephen M. Matyas
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Secure key management using control vector translation
Patent number
4,993,069
Issue date
Feb 12, 1991
International Business Machines Corporation
Stephen M. Matyas
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Secure management of keys using control vectors
Patent number
4,941,176
Issue date
Jul 10, 1990
International Business Machines Corporation
Stephen M. Matyas
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Personal identification number processing using control vectors
Patent number
4,924,514
Issue date
May 8, 1990
International Business Machines Corporation
Stephen M. Matyas
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Secure management of keys using extended control vectors
Patent number
4,924,515
Issue date
May 8, 1990
International Business Machines Coprporation
Stephen M. Matyas
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data cryptography operations using control vectors
Patent number
4,918,728
Issue date
Apr 17, 1990
International Business Machines Corporation
Stephen M. Matyas
G06 - COMPUTING CALCULATING COUNTING