Assignee
FINGERMATRIX INC
US·16 granted patents·1,681 citations·filing 1977–1996
Top patents by PatentIndex Score
16 records- 0198US4544267AFinger identificationFINGERMATRIX INC·Filed 1983·Granted Oct 1, 1985·234 cites·13 claims
- 0292US4210899AFingerprint-based access control and identification apparatusFINGERMATRIX INC·Filed 1977·Granted Jul 1, 1980·244 cites·4 claims
- 0391US4322163AFinger identificationFINGERMATRIX INC·Filed 1980·Granted Mar 30, 1982·281 cites·12 claims
- 0486US4185270AFingerprint identification method and apparatusFINGERMATRIX INC·Filed 1978·Granted Jan 22, 1980·82 cites·5 claims
- 0584US4553837ARoll fingerprint processing apparatusFINGERMATRIX INC·Filed 1983·Granted Nov 19, 1985·82 cites·10 claims
- 0683US4618988AMatcherFINGERMATRIX INC·Filed 1984·Granted Oct 21, 1986·62 cites·49 claims
- 0782US4581760AFingerprint verification methodFINGERMATRIX INC·Filed 1983·Granted Apr 8, 1986·122 cites·32 claims
- 0879US4946276AFull roll fingerprint apparatusFINGERMATRIX INC·Filed 1988·Granted Aug 7, 1990·88 cites·8 claims
- 0978US4569080AFingerprint image refinementFINGERMATRIX INC·Filed 1983·Granted Feb 4, 1986·50 cites·10 claims
- 1076US4783167AFinger imaging apparatus using curved platenFINGERMATRIX INC·Filed 1987·Granted Nov 8, 1988·64 cites·11 claims
- 1173US4752966AFingerprint identification systemFINGERMATRIX INC·Filed 1986·Granted Jun 21, 1988·93 cites·24 claims
- 1271US4685145AConversion of an image represented by a field of pixels in a gray scale to a field of pixels in binary scaleFINGERMATRIX INC·Filed 1984·Granted Aug 4, 1987·40 cites·21 claims
- 1366US4696046AMatcherFINGERMATRIX INC·Filed 1986·Granted Sep 22, 1987·70 cites·19 claims
- 1463US4723298AImage compression techniqueFINGERMATRIX INC·Filed 1985·Granted Feb 2, 1988·33 cites·14 claims
- 1560US5736734ALiquid platen fingerprint image enhancementFINGERMATRIX INC·Filed 1996·Granted Apr 7, 1998·82 cites·16 claims
- 1659US4787742ADirect finger readingFINGERMATRIX INC·Filed 1987·Granted Nov 29, 1988·54 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →