ZERO-KNOWLEDGE SYSTEMS INTERNATIONAL, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 6279

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6148084 Restrictedly blindable certificates on secret keysDec 05, 97Nov 14, 00[H04L]
6052467 System for ensuring that the blinding of secret-key certificates is restricted, even if the issuing protocol is performed in parallel modeFeb 19, 98Apr 18, 00[H04L]
5668878 Secure cryptographic methods for electronic transfer of informationAug 31, 95Sep 16, 97[H04L]
5606617 Secret-key certificatesOct 14, 94Feb 25, 97[H04L]
5604805 Privacy-protected transfer of electronic informationFeb 09, 96Feb 18, 97[H04L]
5521980 Privacy-protected transfer of electronic informationFeb 28, 94May 28, 96[H04L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6320966 Cryptographic methods for demonstrating satisfiable formulas from propositional logicExpiredJun 16, 98Nov 20, 01[H04L]
5698827 Micro- to macromotion sensing, detecting and warning deviceExpiredAug 02, 96Dec 16, 97[G08B, H01H]

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