Assignee
UPEK INC
US12 patents
Top patents by PatentIndex Score
US7768273B1Aug 3, 2010
Electrostatic discharge protection of a capacitive type fingerprint sensing array
UPEK INC58 citations98
US6970584B2Nov 29, 2005
Enclosure and biometric data collection for fingerprint sensor device
UPEK INC168 citations98
US7239227B1Jul 3, 2007
Command interface using fingerprint sensor input system
UPEK INC62 citations97
US6998855B2Feb 14, 2006
Capacitive distance sensor
UPEK INC37 citations96
US6927581B2Aug 9, 2005
Sensing element arrangement for a fingerprint sensor
UPEK INC43 citations96
US6987871B2Jan 17, 2006
Electrostatic discharge protection of a capacitive type fingerprint sensing array
UPEK INC27 citations93
US6737329B2May 18, 2004
Static charge dissipation pads for sensors
UPEK INC38 citations89
US7084642B2Aug 1, 2006
Sensing element arrangement for a fingerprint sensor
UPEK INC13 citations84
US7809211B2Oct 5, 2010
Image normalization for computed image construction
UPEK INC10 citations79
US7522753B2Apr 21, 2009
Electrostatic discharge protection of a capacitive type fingerprint sensing array
UPEK INC7 citations74
US7088114B2Aug 8, 2006
Sensing element arrangement for a fingerprint sensor
UPEK INC8 citations74
US6819784B1Nov 16, 2004
Method of and system for compensating for injection gradient in a capacitive sensing circuit array
UPEK INC9 citations73