VAN DETSAN NETWORKS LIMITED LIABILITY COMPANY

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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 5280
 
  
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION256
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6434238 Multi-purpose transaction card systemAug 11, 97Aug 13, 02[H04L]
5878140 Limited-traceability systemsOct 06, 97Mar 02, 99[H04L]
5712913 Limited-traceability systemsFeb 08, 94Jan 27, 98[H04L]
5493614 Private signature and proof systemsMay 03, 94Feb 20, 96[H04K]
5434919 Compact endorsement signature systemsJan 11, 94Jul 18, 95[H04L]
5373558 Desinated-confirmer signature systemsMay 25, 93Dec 13, 94[H01L]
5276736 Optionally moderated transaction systemsJul 13, 92Jan 04, 94[H04L, H04k]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6718314 Multi-purpose transaction card systemExpiredAug 12, 02Apr 06, 04[H04L]
5781631 Limited-traceability systemsExpiredAug 12, 97Jul 14, 98[H04L]
5131039 Optionally moderated transaction systemsExpiredNov 05, 90Jul 14, 92[H04L, H04K]
4996711 Selected-exponent signature systemsExpiredJun 21, 89Feb 26, 91[H04L]
4991210 Unpredictable blind signature systemsExpiredMay 04, 89Feb 05, 91[H04L]
4987593 One-show blind signature systemsExpiredApr 05, 90Jan 22, 91[H04L]
4949380 Returned-value blind signature systemsExpiredOct 20, 88Aug 14, 90[H04L]
4947430 Undeniable signature systemsExpiredNov 23, 87Aug 07, 90[H04L]
4926480 Card-computer moderated systemsExpiredMay 24, 88May 15, 90[H04K]
4914698 One-show blind signature systemsExpiredJul 24, 89Apr 03, 90[H04L]
4759063 Blind signature systemsExpiredAug 22, 83Jul 19, 88[H04L]
4759064 Blind unanticipated signature systemsExpiredOct 07, 85Jul 19, 88[H04L]

Top Inventors for This Owner

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