Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12292537 | Seismic equipment connecting module and method | Jean-Jacques Vignaux | 2025-05-06 |
| 7822986 | Cryptographic authentication with ephemeral modules | — | 2010-10-26 |
| 7680271 | Zero-knowledge proof cryptography methods and devices | Jean-Jacques Quisquater | 2010-03-16 |
| 7415614 | Cryptographic authentication with ephemeral modules | — | 2008-08-19 |
| 7386122 | Method for proving the authenticity or integrity of a message by means of a public exponent equal to the power of two | Jean-Jacques Quisquater | 2008-06-10 |
| 7266197 | 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 | Jean-Jacques Quisquater | 2007-09-04 |
| 7080254 | Method, system, device for proving authenticity of an entity or integrity of a message | Jean-Jacques Quisquater | 2006-07-18 |
| 5742681 | Process for the broadcasting of programmes with progressive conditional access and separation of the information flow and the corresponding receiver | Jean-Luc Giachetti, Jean-Claude Pacaud | 1998-04-21 |
| 5442701 | Process for the broadcasting of conditional access programs permitting a progressive access to such programs | Jean-Luc Giachetti, Alain Gelly | 1995-08-15 |
| 5305383 | Method of electronic payment by chip card by means of numbered tokens allowing the detection of fraud | Jean-Jacques Quisquater | 1994-04-19 |
| 5218637 | Method of transferring a secret, by the exchange of two certificates between two microcomputers which establish reciprocal authorization | Didier Angebaud, Jean-Luc Giachetti, Jean-Jacques Quisquater | 1993-06-08 |
| 5140634 | Method and apparatus for authenticating accreditations and for authenticating and signing messages | Jean-Jacques Quisquater | 1992-08-18 |
| 4947428 | Process for the broadcasting and reception of access title control messages | Joseph Blineau, Francoise Coutrot, Vincent Lenoir | 1990-08-07 |
| 4807288 | Microprocessor intended particularly for executing the calculation algorithms of a public code encoding system | Michel Ugon | 1989-02-21 |
| 4797919 | Receiver having an interface with a sub-system | Bruce Murray, Francoise Coutrot | 1989-01-10 |
| 4748576 | Pseudo-random binary sequence generators | Henry J. Beker, Luc Emiel L. Boes, Peter R. Brennand, Edmund R. Brown, Gerald O. Crowther +8 more | 1988-05-31 |
| 4543559 | Generator of encoding or decoding 8-bit bytes which can be used in a video system | Raymond Le Bris, Ambroise Le Rest | 1985-09-24 |
| 4354201 | Television system with access control | Claude Sechet, Gerard Babonneau | 1982-10-12 |
| 4352011 | Subscription card for a videotex receiver | — | 1982-09-28 |
| 4337483 | Text video-transmission system provided with means for controlling access to the information | — | 1982-06-29 |
| 4323921 | System for transmitting information provided with means for controlling access to the information transmitted | — | 1982-04-06 |