Fingermatrix, Inc.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 1127

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5177353 Finger surface image enhancement having liquid layer on finger touching surface of the plateJul 11, 91Jan 05, 93[H01J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5736734 Liquid platen fingerprint image enhancementExpiredAug 12, 96Apr 07, 98[B42D, G02F, G06K]
5051576 Finger surface image enhancement having a liquid layer on the finger touching surface of the platenExpiredJul 31, 90Sep 24, 91[H01J]
4946276 Full roll fingerprint apparatusExpiredSep 23, 88Aug 07, 90[G06K]
4787742 Direct finger readingExpiredJan 29, 87Nov 29, 88[G06K]
4783167 Finger imaging apparatus using curved platenExpiredMay 05, 87Nov 08, 88[G06K]
4723298 Image compression techniqueExpiredMar 27, 85Feb 02, 88[G06K]
4696046 MatcherExpiredMar 27, 86Sep 22, 87[G06H]
4685145 Conversion of an image represented by a field of pixels in a gray scale to a field of pixels in binary scaleExpiredDec 07, 84Aug 04, 87[G06K]
4618988 MatcherExpiredJul 25, 84Oct 21, 86[G06K]
4581760 Fingerprint verification methodExpiredSep 13, 83Apr 08, 86[G06K]
4569080 Fingerprint image refinementExpiredJun 23, 83Feb 04, 86[G06K]
4553837 Roll fingerprint processing apparatusExpiredOct 24, 83Nov 19, 85[G06K]
4544267 Finger identificationExpiredMar 07, 83Oct 01, 85[G06K]
4322163 Finger identificationExpiredNov 17, 80Mar 30, 82[G06K]
4277805 Combination copying-facsimile reproduction apparatusExpiredDec 08, 78Jul 07, 81[H04N]
4210899 Fingerprint-based access control and identification apparatusExpiredNov 25, 77Jul 01, 80[G06K]
4185270 Fingerprint identification method and apparatusExpiredJun 14, 78Jan 22, 80[G06K]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.