De la rue Cartes et Systemes

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 5151
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 2196
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 2360
 
  
 
G11C STATIC STORES 1150
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1284

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6320753 Integrated circuit board combining external contact zones and an antenna, and process for manufacturing such a boardSep 17, 98Nov 20, 01[H05K]
6223991 Process for managing the memory resources in a microcircuit cardNov 12, 98May 01, 01[G06K]
5850690 Method of manufacturing and assembling an integrated circuit cardJul 08, 96Dec 22, 98[H01L, H05K]
5761310 Communication system for messages enciphered according to an RSA-type procedureJul 18, 96Jun 02, 98[H04L]
5748782 Device for implementing a message signature system and chip card comprising such a deviceMar 28, 95May 05, 98[G06K]
5675541 Device comprising means for validating data written in a memoryMay 22, 95Oct 07, 97[G11C]
5647122 Manufacturing method for an integrated circuit cardJun 14, 95Jul 15, 97[H05K]
5585669 Semiconductor chip card having selective encapsulationMay 18, 95Dec 17, 96[H01L, H05K]
5438750 Method of manufacturing a chip cardDec 20, 94Aug 08, 95[H05K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6198044 Process for manufacture of a microcircuit board permitting limitation of the mechanical stresses transmitted to the microcircuit and board thus obtainedExpiredJun 24, 99Mar 06, 01[H01L, H01R]
5264990 Integrated circuit card that aids in reducing stress on an integrated circuitExpiredMay 09, 91Nov 23, 93[H05K]
5214701 Method of processing data by compression and permutation for microcircuit cardsExpiredJul 24, 90May 25, 93[H04L]
5168521 Method of executing an irregular permutation of data protected by encryptionExpiredJul 24, 90Dec 01, 92[H04L]
5168523 Method of rotating a word constituted by binary elements and arrangement in which the said method is carried outExpiredJul 24, 90Dec 01, 92[H04L]
5146499 Data processing system comprising authentification means viz a viz a smart card, an electronic circuit for use in such system, and a procedure for implementing such authentificationExpiredOct 22, 90Sep 08, 92[H04K]
5068894 Method of generating a unique number for a smart card and its use for the cooperation of the card with a host systemExpiredAug 22, 90Nov 26, 91[H04L, H03B, G06F, G07F]
5001753 Crytographic system and process and its applicationExpiredMar 07, 88Mar 19, 91[H04L]
4816651 Process and apparatus for the simultaneous and remote reading and certifying of an information present in a memory of an electronic mediumExpiredMar 14, 88Mar 28, 89[G06F]
4701236 Method of manufacturing an electronic identification cardExpiredApr 03, 86Oct 20, 87[B32B]
4612413 Authentication system between a card reader and a pay card exchanging dataExpiredJul 18, 84Sep 16, 86[H04L]

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