Inventor
MATSUDAI TOMOKO
JP131 patents
Patents
50 patentsUS6064086AMay 16, 2000
Semiconductor device having lateral IGBT
TOSHIBA KK205 citations99
US5731603AMar 24, 1998
Lateral IGBT
TOSHIBA KK191 citations99
US5985708ANov 16, 1999
Method of manufacturing vertical power device
TOSHIBA KK73 citations95
US7138698B2Nov 21, 2006
Semiconductor device including power MOS field-effect transistor and driver circuit driving thereof
TOSHIBA KK16 citations93
US6683343B2Jan 27, 2004
High voltage semiconductor device having two buffer layer
TOSHIBA KK36 citations93
US6563193B1May 13, 2003
Semiconductor device
TOSHIBA KK22 citations93
US6380566B1Apr 30, 2002
Semiconductor device having FET structure with high breakdown voltage
TOSHIBA KK44 citations93
US5920087AJul 6, 1999
Lateral IGBT
TOSHIBA KK20 citations93
US5796125AAug 18, 1998
High breakdown voltage semiconductor device using trench grooves
TOSHIBA KK48 citations93
US5708287AJan 13, 1998
Power semiconductor device having an active layer
TOSHIBA KK27 citations93
US5640040AJun 17, 1997
High breakdown voltage semiconductor device
TOSHIBA KK40 citations93
US5536961AJul 16, 1996
High breakdown voltage semiconductor device
TOSHIBA KK28 citations93
US5438220AAug 1, 1995
High breakdown voltage semiconductor device
TOSHIBA KK42 citations93
US5434444AJul 18, 1995
High breakdown voltage semiconductor device
TOSHIBA KK34 citations93
US5343067AAug 30, 1994
High breakdown voltage semiconductor device
TOSHIBA KK34 citations93
US6620653B2Sep 16, 2003
Semiconductor device and method of manufacturing the same
TOSHIBA KK24 citations92
US6411133B1Jun 25, 2002
Semiconductor device
TOSHIBA KK21 citations92
US7473978B2Jan 6, 2009
Semiconductor device and method of manufacturing the same
TOSHIBA KK9 citations84
US6914294B2Jul 5, 2005
Semiconductor device
TOSHIBA KK15 citations84
US6617641B2Sep 9, 2003
High voltage semiconductor device capable of increasing a switching speed
TOSHIBA KK14 citations84
US6163051ADec 19, 2000
High breakdown voltage semiconductor device
TOSHIBA KK18 citations84
US5592014AJan 7, 1997
High breakdown voltage semiconductor device
TOSHIBA KK19 citations84
US7432579B2Oct 7, 2008
Semiconductor device with horizontal MOSFET and Schottky barrier diode provided on single substrate
TOSHIBA KK8 citations74
US6686613B2Feb 3, 2004
Punch through type power device
TOSHIBA KK8 citations74
US6664591B2Dec 16, 2003
Insulated gate semiconductor device
TOSHIBA KK6 citations74
US5994740ANov 30, 1999
Semiconductor device
TOSHIBA KK12 citations74
US5751022AMay 12, 1998
Thyristor
TOSHIBA KK14 citations74
US5463231AOct 31, 1995
Method of operating thyristor with insulated gates
TOSHIBA KK13 citations74
US5428228AJun 27, 1995
Method of operating thyristor with insulated gates
TOSHIBA KK11 citations74
US11164965B2Nov 2, 2021
Semiconductor device
TOSHIBA KK2 citations73
US11063130B2Jul 13, 2021
Semiconductor device and semiconductor circuit
TOSHIBA KK2 citations73
US10811524B2Oct 20, 2020
Semiconductor circuit and control circuit
TOSHIBA KK5 citations73
US10573732B2Feb 25, 2020
Semiconductor device
TOSHIBA KK4 citations73
US10439054B2Oct 8, 2019
Insulated gate bipolar transistor
TOSHIBA KK4 citations73
US10083956B2Sep 25, 2018
Semiconductor device
TOSHIBA KK3 citations73
US9620631B2Apr 11, 2017
Power semiconductor device
TOSHIBA KK6 citations73
US9391070B2Jul 12, 2016
Semiconductor device
TOSHIBA KK3 citations73
US9653557B2May 16, 2017
Semiconductor device
TOSHIBA KK6 citations72
US9634128B2Apr 25, 2017
Semiconductor device
TOSHIBA KK4 citations72
US9324815B2Apr 26, 2016
Semiconductor device
TOSHIBA KK3 citations72
US9214535B2Dec 15, 2015
Semiconductor device
TOSHIBA KK6 citations72
US12183782B2Dec 31, 2024
Semiconductor device
TOSHIBA KK2 citations71
US12382648B2Aug 5, 2025
Semiconductor device and semiconductor circuit
TOSHIBA KK1 citations63
US10468511B2Nov 5, 2019
Semiconductor device
TOSHIBA KK1 citations63
US10256314B2Apr 9, 2019
Semiconductor device
TOSHIBA KK1 citations63
US9224844B2Dec 29, 2015
Semiconductor device
TOSHIBA KK2 citations63
US7906808B2Mar 15, 2011
Semiconductor device
TOSHIBA KK3 citations63
US7646059B2Jan 12, 2010
Semiconductor device including field effect transistor for use as a high-speed switching device and a power device
TOSHIBA KK3 citations63
US7589389B2Sep 15, 2009
Semiconductor device and method of manufacturing the same
TOSHIBA KK4 citations63
US7579669B2Aug 25, 2009
Semiconductor device including power MOS field-effect transistor and driver circuit driving thereof
TOSHIBA KK3 citations63
Showing the top 50 of 131 patents by PatentIndex Score.