Inventor
Louis Guillou
Inventor
Bourgbarre, FR
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication27%
H04NPictorial communication, e.g. television27%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes14%
G07FCoin-freed or like apparatus14%
G06FElectric digital data processing8%
G06KGraphical data reading3%
G07CTime or attendance registers3%
H03KPulse technique3%
H04KSecret communication3%
PatentTitleYear
7,822,986'Cryptographic authentication with ephemeral modules'20107,680,271'Zero-knowledge proof cryptography methods and devices'20107,415,614'Cryptographic authentication with ephemeral modules'20087,386,122'Method for proving the authenticity or integrity of a message by means of a public exponent equal to the power of two'20087,266,197'Method, system, device for proving the authenticity of an entity and/or the integrity and/or the authenticity of a message using specific prime factors'20077,080,254'Method, system, device for proving authenticity of an entity or integrity of a message'20065,742,681'Process for the broadcasting of programmes with progressive conditional access and separation of the information flow and the corresponding receiver'19985,442,701'Process for the broadcasting of conditional access programs permitting a progressive access to such programs'19955,305,383'Method of electronic payment by chip card by means of numbered tokens allowing the detection of fraud'19945,218,637'Method of transferring a secret, by the exchange of two certificates between two microcomputers which establish reciprocal authorization'19935,140,634'Method and apparatus for authenticating accreditations and for authenticating and signing messages'19924,947,428'Process for the broadcasting and reception of access title control messages'19904,807,288'Microprocessor intended particularly for executing the calculation algorithms of a public code encoding system'19894,797,919'Receiver having an interface with a sub-system'19894,748,576'Pseudo-random binary sequence generators'19884,543,559'Generator of encoding or decoding 8-bit bytes which can be used in a video system'19854,354,201'Television system with access control'19824,352,011'Subscription card for a videotex receiver'19824,337,483'Text video-transmission system provided with means for controlling access to the information'19824,323,921'System for transmitting information provided with means for controlling access to the information transmitted'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–2008Patents assigned to TELEDIFFUSION FSE (9)· patent assignee history
1982–2010Based in Bourgbarre, FR· patent location history
1982–1985Based in Saint Erblon, FR· patent location history
1988–1994Patents assigned to PHILIPS CORP (5)· patent assignee history
1989–1990Patents assigned to FRANCE ETAT (3)· patent assignee history
1992–1994Based in Rennes, FR· patent location history
1993–2008Patents assigned to FRANCE TELECOM (6)· patent assignee history
1998Based in Bourgbare, FR· patent location history
2008Based in Paris, FR· patent location history
2010Patents assigned to GUILLOU LOUIS (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TELEDIFFUSION FSE | 9 | 1982–2008 |
| FRANCE TELECOM | 6 | 1993–2008 |
| PHILIPS CORP | 5 | 1988–1994 |
| FRANCE ETAT | 3 | 1989–1990 |
| GUILLOU LOUISself | 2 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bourgbarre, FR | 10 | 1982–2010 |
| Saint Erblon, FR | 4 | 1982–1985 |
| Rennes, FR | 3 | 1992–1994 |
| Paris, FR | 1 | 2008 |
| Bourgbare, FR | 1 | 1998 |