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Charles H. Bennett
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Croton-On-Hudson, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Wearable time-bracketed video authentication
Patent number
8,479,009
Issue date
Jul 2, 2013
International Business Machines Corporation
Charles Bennett
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Access-controlled encrypted recording method for site, interaction...
Patent number
7,792,296
Issue date
Sep 7, 2010
International Business Machines Corporation
Charles H. Bennett
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Access-controlled encrypted recording system for site, interaction...
Patent number
7,477,740
Issue date
Jan 13, 2009
International Business Machines Corporation
Charles H. Bennett
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Digital recording system with time-bracketed authentication by on-l...
Patent number
5,764,769
Issue date
Jun 9, 1998
International Business Machines Corporation
Charles Henry Bennett
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital signature generator /verifier/ recorder (DS-GVR) for analog...
Patent number
5,680,455
Issue date
Oct 21, 1997
International Business Machines Corporation
Ralph Linsker
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital signature generator/verifier/recorder (DS-GVR) for analog t...
Patent number
5,598,473
Issue date
Jan 28, 1997
IBM Corporation
Ralph Linsker
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Quantum key distribution using non-orthogonal macroscopic signals
Patent number
5,515,438
Issue date
May 7, 1996
International Business Machines Corporation
Charles H. Bennett
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Interferometric quantum cryptographic key distribution system
Patent number
5,307,410
Issue date
Apr 26, 1994
International Business Machines Corporation
Charles H. Bennett
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
WEARABLE TIME-BRACKETED VIDEO AUTHENTICATION
Publication number
20120072733
Publication date
Mar 22, 2012
International Business Machines Corporation
Charles H. Bennett
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ACCESS-CONTROLLED ENCRYPTED RECORDING SYSTEM FOR SITE, INTERACTION...
Publication number
20080310636
Publication date
Dec 18, 2008
Charles H. BENNETT
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Access-controlled encrypted recording system for site, interaction...
Publication number
20060161791
Publication date
Jul 20, 2006
Charles H. Bennett
G06 - COMPUTING CALCULATING COUNTING