Inventor · disambiguated record
Louis Guillou
Also filed as: GUILLOU LOUIS · GUILLOU LOUIS C · GUILLOU LOUIS-CLAUDE
21 granted patents·1 pending application·2,132 citations·filing 1980–2023
97Inventor score
Top patents by PatentIndex Score
22 records- 0199US4337483AText video-transmission system provided with means for controlling access to the informationTELEDIFFUSION FSE·Filed 1980·Granted Jun 29, 1982·365 cites·11 claims
- 0299US4323921ASystem for transmitting information provided with means for controlling access to the information transmittedTELEDIFFUSION FSE·Filed 1980·Granted Apr 6, 1982·577 cites·5 claims
- 0394US4354201ATelevision system with access controlTELEDIFFUSION FSE·Filed 1980·Granted Oct 12, 1982·161 cites·5 claims
- 0492US4807288AMicroprocessor intended particularly for executing the calculation algorithms of a public code encoding systemCII HONEYWELL BULL·Filed 1983·Granted Feb 21, 1989·108 cites·14 claims
- 0588US5218637AMethod of transferring a secret, by the exchange of two certificates between two microcomputers which establish reciprocal authorizationFRANCE TELECOM·Filed 1991·Granted Jun 8, 1993·193 cites·16 claims
- 0688US5140634AMethod and apparatus for authenticating accreditations and for authenticating and signing messagesPHILIPS CORP·Filed 1991·Granted Aug 18, 1992·257 cites·23 claims
- 0787US5742681AProcess for the broadcasting of programmes with progressive conditional access and separation of the information flow and the corresponding receiverFRANCE TELECOM·Filed 1995·Granted Apr 21, 1998·128 cites·20 claims
- 0885US4352011ASubscription card for a videotex receiverTELEDIFFUSION FSE·Filed 1980·Granted Sep 28, 1982·117 cites·1 claims
- 0980US7415614B2Cryptographic authentication with ephemeral modulesFRANCE TELECOM·Filed 2002·Granted Aug 19, 2008·27 cites·12 claims
- 1075US5442701AProcess for the broadcasting of conditional access programs permitting a progressive access to such programsFRANCE TELECOM·Filed 1993·Granted Aug 15, 1995·44 cites·9 claims
- 1167US12292537B2Seismic equipment connecting module and methodSERCEL RECH CONST ELECT·Filed 2022·Granted May 6, 2025·0 cites·20 claims
- 1265US7822986B2Cryptographic authentication with ephemeral modulesGUILLOU LOUIS·Filed 2008·Granted Oct 26, 2010·3 cites·19 claims
- 1364US4797919AReceiver having an interface with a sub-systemPHILIPS CORP·Filed 1986·Granted Jan 10, 1989·20 cites·6 claims
- 1462US4748576APseudo-random binary sequence generatorsPHILIPS CORP·Filed 1985·Granted May 31, 1988·22 cites·13 claims
- 1561US7386122B1Method for proving the authenticity or integrity of a message by means of a public exponent equal to the power of twoFRANCE TELECOM·Filed 2000·Granted Jun 10, 2008·6 cites·20 claims
- 1661US7080254B1Method, system, device for proving authenticity of an entity or integrity of a messageFRANCE TELECOM·Filed 2000·Granted Jul 18, 2006·7 cites·11 claims
- 1760US7266197B1Method, system, device for proving the authenticity of an entity and/or the integrity and/or the authenticity of a message using specific prime factorsMATH RIZK·Filed 2000·Granted Sep 4, 2007·8 cites·12 claims
- 1859US4947428AProcess for the broadcasting and reception of access title control messagesFRANCE ETAT·Filed 1989·Granted Aug 7, 1990·18 cites·12 claims
- 1956US2024402370A1Vibrator source baseplate ergonomic controlSERCEL RECH CONST ELECT·Filed 2023·Application pending·0 cites
- 2047US5305383AMethod of electronic payment by chip card by means of numbered tokens allowing the detection of fraudFRANCE TELECOM TELEDIFFUSION D·Filed 1993·Granted Apr 19, 1994·66 cites·15 claims
- 2140US7680271B2Zero-knowledge proof cryptography methods and devicesGUILLOU LOUIS·Filed 2005·Granted Mar 16, 2010·0 cites·20 claims
- 2223US4543559AGenerator of encoding or decoding 8-bit bytes which can be used in a video systemGUILLOU LOUIS C·Filed 1983·Granted Sep 24, 1985·5 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Louis Guillou files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →