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David Naccache
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Maisons-Alfort, FR
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Patents Grants
last 30 patents
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Patent Grant
Method and apparatus for controlling and/or limiting speed excess b...
Patent number
5,654,891
Issue date
Aug 5, 1997
Thomson Consumer Electronics S.A.
David Naccache
G08 - SIGNALLING
Information
Patent Grant
Process for generating DSA signatures with low-cost portable appara...
Patent number
5,625,695
Issue date
Apr 29, 1997
Gemplus Card International
David M'Raihi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method, identification device and verification device for identific...
Patent number
5,502,764
Issue date
Mar 26, 1996
Thomson Consumer Electronics S.A.
David Naccache
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method, sender apparatus and receiver apparatus for modulo operation
Patent number
5,479,511
Issue date
Dec 26, 1995
Thomson Consumer Electronics S.A.
David Naccache
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus and method for access control
Patent number
5,461,675
Issue date
Oct 24, 1995
Thomson Consumer Electronics S.A.
Eric Diehl
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for access control and/or identification
Patent number
5,452,357
Issue date
Sep 19, 1995
Thomson Consumer Electronics S.A.
David Naccache
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Unforgeable identification device, identification device reader and...
Patent number
5,434,917
Issue date
Jul 18, 1995
Thomson Consumer Electronics S.A.
David Naccache
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for improving the digital signature algorithm
Patent number
5,414,772
Issue date
May 9, 1995
Gemplus Development
David Naccache
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Verification process for a communication system
Patent number
5,347,581
Issue date
Sep 13, 1994
Gemplus Developpement
David Naccache
H04 - ELECTRIC COMMUNICATION TECHNIQUE