Inventor
OKA KENJI
JP71 patents
⚠️ This page may combine multiple inventors who share the name “OKA KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
19 patentsUS6947587B1Sep 20, 2005
Defect inspection method and apparatus
HITACHI LTD88 citations99
US5774222AJun 30, 1998
Manufacturing method of semiconductor substrative and method and apparatus for inspecting defects of patterns on an object to be inspected
HITACHI LTD167 citations99
US6690469B1Feb 10, 2004
Method and apparatus for observing and inspecting defects
HITACHI LTD98 citations98
US6169282B1Jan 2, 2001
Defect inspection method and apparatus therefor
HITACHI LTD107 citations98
US6091075AJul 18, 2000
Automatic focus detection method, automatic focus detection apparatus, and inspection apparatus
HITACHI LTD99 citations98
US6456951B1Sep 24, 2002
Method and apparatus for processing inspection data
HITACHI LTD58 citations96
US6404498B1Jun 11, 2002
Manufacturing method of semiconductor substrate and method and apparatus for inspecting defects of patterns on an object to be inspected
HITACHI LTD38 citations96
US6263099B1Jul 17, 2001
Manufacturing method of semiconductor substrate and method and apparatus for inspecting defects of patterns of an object to be inspected
HITACHI LTD56 citations96
US7417723B2Aug 26, 2008
Method of inspecting a semiconductor device and an apparatus thereof
HITACHI LTD10 citations93
US7274813B2Sep 25, 2007
Defect inspection method and apparatus
HITACHI LTD18 citations93
US7221486B2May 22, 2007
Method and apparatus for picking up 2D image of an object to be sensed
HITACHI LTD33 citations93
US6674890B2Jan 6, 2004
Defect inspection method and apparatus therefor
HITACHI LTD41 citations93
US6507417B1Jan 14, 2003
Method and apparatus for picking up 2D image of an object to be sensed
HITACHI LTD23 citations93
US7092095B2Aug 15, 2006
Method and apparatus for observing and inspecting defects
HITACHI LTD11 citations84
US7916929B2Mar 29, 2011
Defect inspection method and apparatus
HITACHI LTD5 citations74
US7643138B2Jan 5, 2010
Method of inspecting a semiconductor device and an apparatus thereof
HITACHI LTD5 citations74
US7512259B2Mar 31, 2009
Defect inspection method and apparatus
HITACHI LTD7 citations74
US8040503B2Oct 18, 2011
Method of inspecting a semiconductor device and an apparatus thereof
HITACHI LTD2 citations63
US7499162B2Mar 3, 2009
Method and apparatus for observing and inspecting defects
HITACHI LTD2 citations63
FUJITSU TEN LTD
6 patentsUS7612706B2Nov 3, 2009
Monopulse radar apparatus and antenna switch
FUJITSU TEN LTD25 citations92
US7376247B2May 20, 2008
Target detection system using radar and image processing
FUJITSU TEN LTD27 citations92
US7397419B2Jul 8, 2008
Radar apparatus and failure detection method thereof
FUJITSU TEN LTD10 citations84
US7729516B2Jun 1, 2010
Ranging device utilizing image processing
FUJITSU TEN LTD6 citations71
US7266221B2Sep 4, 2007
Ranging device utilizing image processing
FUJITSU TEN LTD7 citations71
US10283874B2May 7, 2019
Antenna apparatus
FUJITSU TEN LTD6 citations69
HITACHI HIGH TECH CORP
4 patentsUS7061602B2Jun 13, 2006
Method of inspecting a semiconductor device and an apparatus thereof
HITACHI HIGH TECH CORP18 citations93
US7773210B2Aug 10, 2010
Appearance inspection apparatus
HITACHI HIGH TECH CORP10 citations84
US7557911B2Jul 7, 2009
Appearance inspection apparatus
HITACHI HIGH TECH CORP10 citations84
US8699017B2Apr 15, 2014
Appearance inspection apparatus
HITACHI HIGH TECH CORP2 citations63
RENESAS TECH CORP
3 patentsUS7061600B2Jun 13, 2006
Manufacturing method of semiconductor substrate and method and apparatus for inspecting defects of patterns on an object to be inspected
RENESAS TECH CORP11 citations93
US7180584B2Feb 20, 2007
Manufacturing method of semiconductor substrate and method and apparatus for inspecting defects of patterns of an object to be inspected
RENESAS TECH CORP5 citations74
US7460220B2Dec 2, 2008
Manufacturing method of semiconductor substrate and method and apparatus for inspecting defects of patterns of an object to be inspected
RENESAS TECH CORP2 citations63
TSUKIZAWA SOTARO
3 patentsUS8810642B2Aug 19, 2014
Pupil detection device and pupil detection method
TSUKIZAWA SOTARO4 citations72
US8659751B2Feb 25, 2014
External light glare assessment device, line of sight detection device and external light glare assessment method
TSUKIZAWA SOTARO2 citations62
US8649583B2Feb 11, 2014
Pupil detection device and pupil detection method
TSUKIZAWA SOTARO3 citations62
OKA KENJI
2 patentsDAICEL CHEM
2 patentsHITACHI HIGH TECH ELECT ENG CO
1 patentMAEDA SHUNJI
1 patentMAZDA MOTOR
1 patentNICHIA CORP
1 patentWAKAI YOHEI
1 patentPANASONIC CORP
1 patentNEMOTO KAZUNORI
1 patentHAMAMATSU AKIRA
1 patentTOKICO LTD
1 patentLENOVO SINGAPORE PTE LTD
1 patentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD
1 patentShowing the top 50 of 71 patents by PatentIndex Score.