Schlumberger Systemés

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 2196

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6695214 Device with integrated circuit made secure by attenuation of electric signaturesDec 07, 00Feb 24, 04[G06K]
6490646 Integrated circuit device made secure by means of additional bus linesJun 14, 99Dec 03, 02[G06F]
6435416 Method of authenticating a personal code of a user of an integrated circuit cardNov 20, 00Aug 20, 02[G06F, G06K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6763461 Method of detecting fraud in electronic circuit cards used in telephonyExpiredDec 29, 99Jul 13, 04[H04L, G06F, H04K]
6694432 Securing data in a machine for testing electronic componentsExpiredJul 09, 99Feb 17, 04[H04L]
6663433 Connector device for connecting a smart card to a computerExpiredAug 14, 02Dec 16, 03[H01R]

Top Inventors for This Owner

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