Inventor
MORI MUTSUHIRO
JP91 patents
⚠️ This page may combine multiple inventors who share the name “MORI MUTSUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
43 patentsUS6180966B1Jan 30, 2001
Trench gate type semiconductor device with current sensing cell
HITACHI LTD166 citations99
US5412558AMay 2, 1995
Semiconductor integrated circuit unit
HITACHI LTD187 citations99
US7742303B2Jun 22, 2010
Electric power converter
HITACHI LTD83 citations98
US6304472B1Oct 16, 2001
Electric power converting system with integrator providing output indicative of current
HITACHI LTD84 citations98
US5859446AJan 12, 1999
Diode and power converting apparatus
HITACHI LTD96 citations98
US7974101B2Jul 5, 2011
Power converter
HITACHI LTD41 citations96
US6498368B2Dec 24, 2002
Power semiconductor device
HITACHI LTD56 citations96
US5804868ASep 8, 1998
Semiconductor device having planar junction
HITACHI LTD56 citations96
US5801936ASep 1, 1998
Semiconductor module for a power conversion device
HITACHI LTD51 citations96
US5731970AMar 24, 1998
Power conversion device and semiconductor module suitable for use in the device
HITACHI LTD71 citations96
US5459655AOct 17, 1995
Neutral-point clamped inverter device using semiconductor modules
HITACHI LTD80 citations96
US6353258B1Mar 5, 2002
Semiconductor module
HITACHI LTD65 citations95
US5101244AMar 31, 1992
Semiconductor schottky device with pn regions
HITACHI LTD95 citations95
US6653745B1Nov 25, 2003
Power source apparatus for a car
HITACHI LTD41 citations93
US6392908B2May 21, 2002
Method and apparatus for driving a semiconductor element
HITACHI LTD21 citations93
US6373731B1Apr 16, 2002
Surge voltage suppressed power inverter using a voltage driven switching element
HITACHI LTD46 citations93
US6275399B1Aug 14, 2001
Method and apparatus for driving a semiconductor element with variable resistance circuitry
HITACHI LTD31 citations93
US5357120AOct 18, 1994
Compound semiconductor device and electric power converting apparatus using such device
HITACHI LTD26 citations93
US4466009AAug 14, 1984
Light-activated semiconductor device with optic fiber moveable azimuthally and transversely
HITACHI LTD31 citations93
US8369100B2Feb 5, 2013
Power converter
HITACHI LTD17 citations92
US7952876B2May 31, 2011
Electric power converter
HITACHI LTD18 citations92
US6204717B1Mar 20, 2001
Semiconductor circuit and semiconductor device for use in equipment such as a power converting apparatus
HITACHI LTD28 citations92
US5539244AJul 23, 1996
Power semiconductor device
HITACHI LTD23 citations92
US5274541ADec 28, 1993
Parallel circuit module including a diode and an IGBT
HITACHI LTD32 citations92
US5253156AOct 12, 1993
Semiconductor integrated circuit unit
HITACHI LTD45 citations92
US5208471AMay 4, 1993
Semiconductor device and manufacturing method therefor
HITACHI LTD54 citations92
US5691553ANov 25, 1997
Semiconductor device and power converter using same
HITACHI LTD33 citations91
US5278443AJan 11, 1994
Composite semiconductor device with Schottky and pn junctions
HITACHI LTD34 citations91
US5166760ANov 24, 1992
Semiconductor Schottky barrier device with pn junctions
HITACHI LTD39 citations91
US5343052AAug 30, 1994
Lateral insulated gate bipolar transistor
HITACHI LTD42 citations89
US9780660B2Oct 3, 2017
Apparatus for controlling insulating gate-type semiconductor element, and power conversion apparatus using apparatus for controlling insulating gate-type semiconductor element
HITACHI LTD11 citations84
US7851866B2Dec 14, 2010
Electric power conversion device
HITACHI LTD11 citations84
US7570008B2Aug 4, 2009
Power module, power converter, and electric machine system for mounting in vehicle
HITACHI LTD11 citations84
US7208918B2Apr 24, 2007
Vehicle rotating electric machine
HITACHI LTD19 citations84
US6414370B1Jul 2, 2002
Semiconductor circuit preventing electromagnetic noise
HITACHI LTD15 citations84
US7973405B2Jul 5, 2011
Integrated circuit for driving semiconductor device and power converter
HITACHI LTD13 citations83
US7948005B2May 24, 2011
Insulated-gate bipolar transistor (IGBT)
HITACHI LTD9 citations83
US7763974B2Jul 27, 2010
Integrated circuit for driving semiconductor device and power converter
HITACHI LTD12 citations83
US7638839B2Dec 29, 2009
Power semiconductor device and power conversion device using the same
HITACHI LTD18 citations83
US6448587B1Sep 10, 2002
Circuit incorporated IGBT and power conversion device using the same
HITACHI LTD14 citations83
US5898199AApr 27, 1999
Semiconductor device and power converter using same
HITACHI LTD16 citations80
US5767555AJun 16, 1998
Compound semiconductor device controlled by MIS gate, driving method therefor and electric power conversion device using the compound semiconductor device and the driving method
HITACHI LTD9 citations74
US5126806AJun 30, 1992
Lateral insulated gate bipolar transistor
HITACHI LTD14 citations74
AZUMA KATSUNORI
4 patentsUS8519561B2Aug 27, 2013
Power module and vehicle-mounted inverter using the same
AZUMA KATSUNORI27 citations92
US8422235B2Apr 16, 2013
Semiconductor device, and power conversion device using semiconductor device
AZUMA KATSUNORI21 citations91
US8422244B2Apr 16, 2013
Power converter
AZUMA KATSUNORI9 citations83
US8243463B2Aug 14, 2012
Capacitor module
AZUMA KATSUNORI4 citations73
HITCHI LTD
1 patentHASHIMOTO TAKAYUKI
1 patentARAI TAIGA
1 patentShowing the top 50 of 91 patents by PatentIndex Score.