Assignee
LUIDIA INC
US10 patents
Top patents by PatentIndex Score
US7525050B1Apr 28, 2009
Interference removal in pointing device locating systems
LUIDIA INC56 citations97
USD595718SJul 7, 2009
Pen
LUIDIA INC48 citations94
US6841742B2Jan 11, 2005
Presentation board digitizer systems
LUIDIA INC30 citations91
US6822641B2Nov 23, 2004
Presentation board digitizer systems
LUIDIA INC19 citations91
USD618681SJun 29, 2010
Receiver
LUIDIA INC37 citations90
US6731270B2May 4, 2004
Piezoelectric transducer for data entry device
LUIDIA INC30 citations90
US7221355B1May 22, 2007
Pointing device for a pen locator system including low standby power electronic circuit
LUIDIA INC6 citations62
US6875933B2Apr 5, 2005
Methods and apparatus for configuring a writing surface
LUIDIA INC6 citations62
US6786102B2Sep 7, 2004
Ultrasound speed measurement of temperature and pressure
LUIDIA INC2 citations61
US9304611B2Apr 5, 2016
Directional ultrasound transmitting stylus
LUIDIA INC1 citations51