Assignee
TREK INC
US9 patents
Top patents by PatentIndex Score
US6507197B1Jan 14, 2003
Electrostatic force detector with cantilever for an electrostatic force microscope
TREK INC21 citations90
US6337478B1Jan 8, 2002
Electrostatic force detector with cantilever and shield for an electrostatic force microscope
TREK INC17 citations82
US6600323B2Jul 29, 2003
Sensor for non-contacting electrostatic detector
TREK INC10 citations71
US5119030AJun 2, 1992
Apparatus for electrically inspecting the surface of a drum
TREK INC11 citations70
US7439746B2Oct 21, 2008
Electrostatic voltmeter
TREK INC3 citations62
US5101159AMar 31, 1992
Electrostatic pin hole detector
TREK INC12 citations61
US6573725B2Jun 3, 2003
Sensor for non-contacting electrostatic detector
TREK INC4 citations57
US7427864B2Sep 23, 2008
Ion balance monitor
TREK INC5 citations54
US11282732B2Mar 22, 2022
System and method for clamping a work piece
TREK INC0 citations45