P

Inventor

HIRAI TAKEHIRO

JP86 patents
⚠️ This page may combine multiple inventors who share the name “HIRAI TAKEHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI HIGH TECH CORP

18 patents
US7485858B1Feb 3, 2009

Inspection method for semiconductor wafer and apparatus for reviewing defects

HITACHI HIGH TECH CORP23 citations93
US9305343B2Apr 5, 2016

Observation device and observation method

HITACHI HIGH TECH CORP7 citations84
US7873205B2Jan 18, 2011

Apparatus and method for classifying defects using multiple classification modules

HITACHI HIGH TECH CORP9 citations84
US7449898B2Nov 11, 2008

Method and apparatus for reviewing defects by detecting images having voltage contrast

HITACHI HIGH TECH CORP14 citations84
US7584012B2Sep 1, 2009

Automatic defect review and classification system

HITACHI HIGH TECH CORP5 citations74
US9922414B2Mar 20, 2018

Defect inspection method and defect inspection device

HITACHI HIGH TECH CORP4 citations73
US9569836B2Feb 14, 2017

Defect observation method and defect observation device

HITACHI HIGH TECH CORP5 citations73
US10810733B2Oct 20, 2020

Defect classification apparatus and defect classification method

HITACHI HIGH TECH CORP5 citations72
US10559074B2Feb 11, 2020

Sample observation device and sample observation method

HITACHI HIGH TECH CORP2 citations72
US9811897B2Nov 7, 2017

Defect observation method and defect observation device

HITACHI HIGH TECH CORP3 citations72
US9733194B2Aug 15, 2017

Method for reviewing a defect and apparatus

HITACHI HIGH TECH CORP2 citations72
US7836398B2Nov 16, 2010

Report format setting method and apparatus, and defect review system

HITACHI HIGH TECH CORP4 citations63
US7664562B2Feb 16, 2010

Automatic defect review and classification system

HITACHI HIGH TECH CORP2 citations63
US7656171B2Feb 2, 2010

Method and apparatus for reviewing defects by detecting images having voltage contrast

HITACHI HIGH TECH CORP5 citations63
US11170483B2Nov 9, 2021

Sample observation device and sample observation method

HITACHI HIGH TECH CORP1 citations62
US11087454B2Aug 10, 2021

Defect observation device and defect observation method

HITACHI HIGH TECH CORP1 citations62
US10971325B2Apr 6, 2021

Defect observation system and defect observation method for semiconductor wafer

HITACHI HIGH TECH CORP1 citations62
US10297021B2May 21, 2019

Defect quantification method, defect quantification device, and defect evaluation value display device

HITACHI HIGH TECH CORP1 citations62

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

17 patents
US6140687AOct 31, 2000

High frequency ring gate MOSFET

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD215 citations99
US5736421AApr 7, 1998

Semiconductor device and associated fabrication method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD78 citations96
US6770517B2Aug 3, 2004

Semiconductor device and method for fabricating the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations92
US6395598B1May 28, 2002

Semiconductor device and method for fabricating the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations92
US6337500B1Jan 8, 2002

Semiconductor device and method for fabricating the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD35 citations92
US6297517B1Oct 2, 2001

Semiconductor device and method of fabricating the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations92
US5905284AMay 18, 1999

Semiconductor device with a particular DMISFET structure

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations90
US5838048ANov 17, 1998

Semiconductor Bi-MIS device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations73
US5696006ADec 9, 1997

Method of manufacturing Bi-MOS device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations73
US5406106AApr 11, 1995

Semiconductor Bi-MIS device and method of manufacturing the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations73
US5331198AJul 19, 1994

Semiconductor device including IIL and vertical transistors

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations73
US5162252ANov 10, 1992

Method of fabricating iil and vertical complementary bipolar transistors

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations73
US5866463AFeb 2, 1999

Method of manufacturing a semiconductor apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations72
US5712174AJan 27, 1998

Method of manufacturing a bipolar transistor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations72
US5851863ADec 22, 1998

Semiconductor device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations71
US5817551AOct 6, 1998

Semiconductor device and method of manufacturing the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations71
US5204274AApr 20, 1993

Method of fabricating semiconductor device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations71

MINEKAWA YOHEI

3 patents

DAIICHI SANKYO CO LTD

2 patents

NAKAGAKI RYO

2 patents

HARADA MINORU

2 patents

HIRAI TAKEHIRO

2 patents

HITACHI LTD

1 patent

TAKAGI YUJI

1 patent

HAYAKAWA KOICHI

1 patent

OBARA KENJI

1 patent

Showing the top 50 of 86 patents by PatentIndex Score.