Inventor
OBARA KENJI
JP50 patents
⚠️ This page may combine multiple inventors who share the name “OBARA KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI HIGH TECH CORP
21 patentsUS7485858B1Feb 3, 2009
Inspection method for semiconductor wafer and apparatus for reviewing defects
HITACHI HIGH TECH CORP23 citations93
US8355559B2Jan 15, 2013
Method and apparatus for reviewing defects
HITACHI HIGH TECH CORP9 citations84
US7932493B2Apr 26, 2011
Method and system for observing a specimen using a scanning electron microscope
HITACHI HIGH TECH CORP11 citations84
US7732765B2Jun 8, 2010
Scanning electron microscope
HITACHI HIGH TECH CORP7 citations74
US7584012B2Sep 1, 2009
Automatic defect review and classification system
HITACHI HIGH TECH CORP5 citations74
US7881558B2Feb 1, 2011
Scanning microscope
HITACHI HIGH TECH CORP3 citations63
US7664562B2Feb 16, 2010
Automatic defect review and classification system
HITACHI HIGH TECH CORP2 citations63
US7638767B2Dec 29, 2009
Scanning electron microscope
HITACHI HIGH TECH CORP3 citations63
US7593564B2Sep 22, 2009
Method and apparatus for reviewing defect of subject to be inspected
HITACHI HIGH TECH CORP3 citations63
US7526143B2Apr 28, 2009
Imaging method
HITACHI HIGH TECH CORP2 citations63
US9177757B2Nov 3, 2015
Charged particle beam apparatus
HITACHI HIGH TECH CORP3 citations62
US7361896B2Apr 22, 2008
Scanning electron microscope and a method for adjusting a focal point of an electron beam of said scanning electron microscope
HITACHI HIGH TECH CORP3 citations62
US7105815B2Sep 12, 2006
Method and apparatus for collecting defect images
HITACHI HIGH TECH CORP6 citations62
US9685301B2Jun 20, 2017
Charged-particle radiation apparatus
HITACHI HIGH TECH CORP1 citations52
US9582875B2Feb 28, 2017
Defect analysis assistance device, program executed by defect analysis assistance device, and defect analysis system
HITACHI HIGH TECH CORP1 citations52
US9287082B2Mar 15, 2016
Charged particle beam apparatus
HITACHI HIGH TECH CORP0 citations52
US7925367B2Apr 12, 2011
Defect review and classification system
HITACHI HIGH TECH CORP0 citations52
US7869969B2Jan 11, 2011
Defect review apparatus and method of reviewing defects
HITACHI HIGH TECH CORP0 citations52
US9312099B2Apr 12, 2016
Charged particle beam device and method for analyzing defect therein
HITACHI HIGH TECH CORP1 citations51
US8013299B2Sep 6, 2011
Review method and review device
HITACHI HIGH TECH CORP1 citations51
US11195694B2Dec 7, 2021
Charged particle beam system, method for determining range for automatically searching for focal point position in charged particle beam device, and non-transitory storage medium recording program for causing computer system to determine range for automatically searching for focal position in charged particle beam device
HITACHI HIGH TECH CORP0 citations48
HITACHI LTD
10 patentsUS6476388B1Nov 5, 2002
Scanning electron microscope having magnification switching control
HITACHI LTD95 citations97
US7113628B1Sep 26, 2006
Defect image classifying method and apparatus and a semiconductor device manufacturing process based on the method and apparatus
HITACHI LTD54 citations95
US7068834B1Jun 27, 2006
Inspecting method, inspecting system, and method for manufacturing electronic devices
HITACHI LTD35 citations92
US6792366B2Sep 14, 2004
Method and apparatus for inspecting defects in a semiconductor wafer
HITACHI LTD21 citations92
US6792367B2Sep 14, 2004
Method and apparatus for inspecting defects in a semiconductor wafer
HITACHI LTD18 citations92
US6741941B2May 25, 2004
Method and apparatus for analyzing defect information
HITACHI LTD19 citations92
US6553323B1Apr 22, 2003
Method and its apparatus for inspecting a specimen
HITACHI LTD21 citations92
US6756589B1Jun 29, 2004
Method for observing specimen and device therefor
HITACHI LTD29 citations90
US6870169B2Mar 22, 2005
Method and apparatus for analyzing composition of defects
HITACHI LTD18 citations84
US7356177B2Apr 8, 2008
Defect image classifying method and apparatus and a semiconductor device manufacturing process based on the method and apparatus
HITACHI LTD0 citations52
HARADA MINORU
3 patentsHIRAI TAKEHIRO
3 patentsUS9280814B2Mar 8, 2016
Charged particle beam apparatus that performs image classification assistance
HIRAI TAKEHIRO4 citations71
US8108172B2Jan 31, 2012
Defect review apparatus and method of reviewing defects
HIRAI TAKEHIRO1 citations51
US9136189B2Sep 15, 2015
Surface observation apparatus and surface observation method
HIRAI TAKEHIRO0 citations40