Assignee
OHT INC
JP29 patents
Top patents by PatentIndex Score
US6825673B1Nov 30, 2004
Method and apparatus for circuit board continuity test, tool for continuity test, and recording medium
OHT INC64 citations96
US7173445B2Feb 6, 2007
Sensor for inspection instrument and inspection instrument
OHT INC62 citations94
US6710607B2Mar 23, 2004
Method and apparatus for inspection
OHT INC22 citations91
US6201398B1Mar 13, 2001
Non-contact board inspection probe
OHT INC48 citations91
US6703849B2Mar 9, 2004
Inspection apparatus, inspection method and inspection unit therefor
OHT INC15 citations83
US6859062B2Feb 22, 2005
Apparatus and method for inspecting a board used in a liquid crystal panel
OHT INC12 citations81
US7138805B2Nov 21, 2006
Device and method for inspection
OHT INC10 citations73
US6995566B2Feb 7, 2006
Circuit pattern inspection apparatus, circuit pattern inspection method, and recording medium
OHT INC10 citations73
US6958619B2Oct 25, 2005
Inspecting apparatus and inspecting method for circuit board
OHT INC7 citations73
US6947853B2Sep 20, 2005
Apparatus and method for inspecting electrical continuity of circuit board, jig for use therein, and recording medium thereon
OHT INC7 citations73
US6842026B2Jan 11, 2005
Inspecting apparatus and inspecting method for circuit board
OHT INC9 citations73
US6734692B2May 11, 2004
Inspection apparatus and sensor
OHT INC11 citations72
US6614250B1Sep 2, 2003
Sensor probe for use in board inspection and manufacturing method thereof
OHT INC12 citations71
US6160409ADec 12, 2000
Inspection method of conductive patterns
OHT INC14 citations66
US6972573B2Dec 6, 2005
Device and method for inspecting circuit board
OHT INC5 citations62
US6943559B2Sep 13, 2005
Circuit pattern inspection device, circuit pattern inspection method, and recording medium
OHT INC6 citations62
US6894515B2May 17, 2005
Inspection unit and method of manufacturing substrate
OHT INC6 citations61
US7239127B2Jul 3, 2007
Apparatus and method for inspecting electronic circuits
OHT INC3 citations60
US6967498B2Nov 22, 2005
Apparatus and method for inspecting electronic circuits
OHT INC4 citations60
US6861863B2Mar 1, 2005
Inspection apparatus for conductive patterns of a circuit board, and a holder thereof
OHT INC6 citations60
US7088107B2Aug 8, 2006
Circuit pattern inspection instrument and pattern inspection method
OHT INC4 citations58
US7026870B2Apr 11, 2006
Low-noise active RC signal processing circuit
OHT INC4 citations54
US7049826B2May 23, 2006
Inspection device and inspection method
OHT INC1 citations51
US7332914B2Feb 19, 2008
Conductor inspection apparatus and conductor inspection method
OHT INC1 citations50
US6933740B2Aug 23, 2005
Electronic circuit inspection sensor and inspection system using same
OHT INC0 citations50
US11662328B2May 30, 2023
Capacitive sensor and manufacturing method of capacitive sensor
OHT INC0 citations47
US6545484B1Apr 8, 2003
Board inspection apparatus and board inspection method
OHT INC2 citations44
US6992493B2Jan 31, 2006
Device and method for substrate displacement detection
OHT INC0 citations41
US6952104B2Oct 4, 2005
Inspection method and apparatus for testing fine pitch traces
OHT INC0 citations41