Assignee
BULL CP8
FR·46 granted patents·4,064 citations·filing 1986–2001
Top patents by PatentIndex Score
46 records- 0195US5442645AMethod for checking the integrity of a program or data, and apparatus for implementing this methodBULL CP8·Filed 1994·Granted Aug 15, 1995·294 cites·22 claims
- 0295US4907272AMethod for authenticating an external authorizing datum by a portable object, such as a memory cardBULL CP8·Filed 1987·Granted Mar 6, 1990·193 cites·20 claims
- 0395US4907270AMethod for certifying the authenticity of a datum exchanged between two devices connected locally or remotely by a transmission lineBULL CP8·Filed 1987·Granted Mar 6, 1990·201 cites·6 claims
- 0494US5566323AData processing system including programming voltage inhibitor for an electrically erasable reprogrammable nonvolatile memoryBULL CP8·Filed 1994·Granted Oct 15, 1996·136 cites·10 claims
- 0590US6568600B1Chip card equipped with a loop antenna, and associated micromoduleBULL CP8·Filed 2000·Granted May 27, 2003·176 cites·13 claims
- 0687US4795893ASecurity device prohibiting the function of an electronic data processing unit after a first cutoff of its electrical powerBULL CP8·Filed 1987·Granted Jan 3, 1989·198 cites·13 claims
- 0785US5528231AMethod for the authentication of a portable object by an offline terminal, and apparatus for implementing the processBULL CP8·Filed 1994·Granted Jun 18, 1996·190 cites·8 claims
- 0884US5533126AKey protection device for smart cardsBULL CP8·Filed 1994·Granted Jul 2, 1996·361 cites·14 claims
- 0984US5434999ASafeguarded remote loading of service programs by authorizing loading in protected memory zones in a terminalBULL CP8·Filed 1993·Granted Jul 18, 1995·162 cites·3 claims
- 1083US6658569B1Secret key cryptographic process for protecting a computer system against attacks by physical analysisBULL CP8·Filed 1999·Granted Dec 2, 2003·63 cites·43 claims
- 1183US5944833AIntegrated circuit and method for decorrelating an instruction sequence of a programBULL CP8·Filed 1997·Granted Aug 31, 1999·106 cites·26 claims
- 1283US4825052AMethod and apparatus for certifying services obtained using a portable carrier such as a memory cardBULL CP8·Filed 1986·Granted Apr 25, 1989·274 cites·20 claims
- 1382US6735627B2System and method of smart card for managing transmissions of multimedia data via an internet-type network, in particular telephone or videophone data, between subscriber systemsBULL CP8·Filed 2001·Granted May 11, 2004·34 cites·17 claims
- 1482US5479509AMethod for signature of an information processing file, and apparatus for implementing itBULL CP8·Filed 1994·Granted Dec 26, 1995·318 cites·17 claims
- 1576US5867577AMethod and apparatus for authenticating a data carrier intended to enable a transaction or access to a service or a location, and corresponding carrierBULL CP8·Filed 1995·Granted Feb 2, 1999·201 cites·11 claims
- 1676US4980802AFlexible printed circuitBULL CP8·Filed 1989·Granted Dec 25, 1990·53 cites·17 claims
- 1772US6839756B1On board system comprising network interface means, and method for activating applications located in said on-board systemBULL CP8·Filed 2000·Granted Jan 4, 2005·35 cites·16 claims
- 1871US5825875AProcess for loading a protected storage zone of an information processing device, and associated deviceBULL CP8·Filed 1995·Granted Oct 20, 1998·191 cites·12 claims
- 1966US6751671B1Method of communication between a user station and a network, in particular such as internet, and implementing architectureBULL CP8·Filed 1999·Granted Jun 15, 2004·61 cites·30 claims
- 2065US6422470B1Process for secure processing of a sensitive logical element in a storage register, and security module implementing this processBULL CP8·Filed 2000·Granted Jul 23, 2002·4 cites·6 claims
- 2164US5796835AMethod and system for writing information in a data carrier making it possible to later certify the originality of this informationBULL CP8·Filed 1997·Granted Aug 18, 1998·102 cites·18 claims
- 2262US6657956B1Method enabling secure access by a station to at least one server, and device using sameBULL CP8·Filed 1997·Granted Dec 2, 2003·65 cites·38 claims
- 2360US6658566B1Process for storage and use of sensitive information in a security module and the associated security moduleBULL CP8·Filed 1998·Granted Dec 2, 2003·114 cites·13 claims
- 2459US5097117AElectronic microcircuit card and method for its manufactureBULL CP8·Filed 1988·Granted Mar 17, 1992·29 cites·13 claims
- 2557US6839849B1Smart integrated circuitBULL CP8·Filed 1999·Granted Jan 4, 2005·62 cites·26 claims
- 2655US6505144B2Portable object reader terminal, portable object, and process for self-diagnosis and supervision of sameBULL CP8·Filed 2001·Granted Jan 7, 2003·8 cites·30 claims
- 2753US5815083AProcess for entry of a confidential piece of information and associated terminalBULL CP8·Filed 1994·Granted Sep 29, 1998·43 cites·15 claims
- 2853US5341421ASecurity device, including a memory and/or a microcomputer for data processing machinesBULL CP8·Filed 1991·Granted Aug 23, 1994·44 cites·7 claims
- 2951US6523056B1Process for secure comparison of two storage registers, and security module implementing this processBULL CP8·Filed 2000·Granted Feb 18, 2003·4 cites·7 claims
- 3051US5790675ACryptographic communication processBULL CP8·Filed 1996·Granted Aug 4, 1998·29 cites·20 claims
- 3148US6651881B1Card, in particular chip card, reading deviceBULL CP8·Filed 1998·Granted Nov 25, 2003·24 cites·21 claims
- 3248US5153581AMethod for authentication by an external medium of a portable object such as a memory card coupled to this mediumBULL CP8·Filed 1987·Granted Oct 6, 1992·49 cites·9 claims
- 3345US6111952AAsymmetrical cryptographic communication method and portable object thereforeBULL CP8·Filed 1997·Granted Aug 29, 2000·20 cites·12 claims
- 3444US6536034B1Method for modifying code sequences and related deviceBULL CP8·Filed 1998·Granted Mar 18, 2003·25 cites·23 claims
- 3542US5177790AMethod for generating a random number in a data processing system/and system for implementing the methodBULL CP8·Filed 1990·Granted Jan 5, 1993·40 cites·22 claims
- 3641US6567539B1Method for producing an image using a portable objectBULL CP8·Filed 1999·Granted May 20, 2003·26 cites·6 claims
- 3740US6253163B1Portable object reader terminal and process for self-diagnosis and supervision of sameBULL CP8·Filed 1997·Granted Jun 26, 2001·22 cites·14 claims
- 3837US5729609AMethod for producing a common key in two devices, in order to implement a common cryptographic procedure, and associated apparatusBULL CP8·Filed 1995·Granted Mar 17, 1998·13 cites·16 claims
- 3936US5889272ACoupler for managing communication between a portable data medium and a data exchange device, and data exchange device thereforBULL CP8·Filed 1997·Granted Mar 30, 1999·10 cites·8 claims
- 4036US5365466AMethod for generating a random number in a system with portable electronic objects, and system for implementing the methodBULL CP8·Filed 1994·Granted Nov 15, 1994·25 cites·6 claims
- 4134US6810521B1Protocol for internal exchange of data between applications of a portable multi-application object and corresponding portable multi-application objectBULL CP8·Filed 1999·Granted Oct 26, 2004·19 cites·16 claims
- 4233US6472733B1Electronic circuit support comprising tear resistant meansBULL CP8·Filed 1999·Granted Oct 29, 2002·5 cites·32 claims
- 4330US6687800B1Chip card comprising means and method for managing a virtual memory and associated communication methodBULL CP8·Filed 1999·Granted Feb 3, 2004·19 cites·18 claims
- 4428US6205194B1Device for communicating with a portable data mediumBULL CP8·Filed 1997·Granted Mar 20, 2001·4 cites·3 claims
- 4522US6275982B1Method and device enabling a fixed program to be developedBULL CP8·Filed 1997·Granted Aug 14, 2001·9 cites·11 claims
- 4616US6203330B1Method for communicating with a portable data mediumBULL CP8·Filed 1998·Granted Mar 20, 2001·3 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →