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Jonathan Oseas
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Hurley, NY, US
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last 30 patents
Information
Patent Grant
Data authentication using modification detection codes based on a p...
Patent number
4,908,861
Issue date
Mar 13, 1990
International Business Machines Corporation
Bruno O. Brachtl
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Code protection using cryptography
Patent number
4,757,534
Issue date
Jul 12, 1988
International Business Machines Corporation
Stephen M. Matyas
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Transaction security system
Patent number
4,755,940
Issue date
Jul 5, 1988
International Business Machines Corporation
Bruno Brachtl
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Transaction security system using time variant parameter
Patent number
4,747,050
Issue date
May 24, 1988
International Business Machines Corporation
Bruno Brachtl
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for establishing user authenication with composite session k...
Patent number
4,649,233
Issue date
Mar 10, 1987
International Business Machines Corporation
Walter E. Bass
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cryptographic communication security for multiple domain networks
Patent number
4,227,253
Issue date
Oct 7, 1980
International Business Machines Corporation
William F. Ehrsam
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Cryptographic verification of operational keys used in communicatio...
Patent number
4,193,131
Issue date
Mar 11, 1980
International Business Machines Corporation
Richard E. Lennon
G06 - COMPUTING CALCULATING COUNTING