Inventor
NAKATSU KINYA
JP96 patents
⚠️ This page may combine multiple inventors who share the name “NAKATSU KINYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
32 patentsUS7978471B2Jul 12, 2011
Electric power conversion apparatus
HITACHI LTD68 citations98
US7969735B2Jun 28, 2011
Power converter
HITACHI LTD48 citations98
US7742303B2Jun 22, 2010
Electric power converter
HITACHI LTD83 citations98
US6144571ANov 7, 2000
Semiconductor module, power converter using the same and manufacturing method thereof
HITACHI LTD111 citations98
US8376069B2Feb 19, 2013
Power conversion apparatus and electric vehicle
HITACHI LTD47 citations97
US7830689B2Nov 9, 2010
Power converter
HITACHI LTD50 citations94
US9137932B2Sep 15, 2015
Electric power conversion apparatus
HITACHI LTD12 citations93
US9042101B2May 26, 2015
Electric power conversion apparatus
HITACHI LTD16 citations93
US8917509B2Dec 23, 2014
Electric power conversion apparatus
HITACHI LTD11 citations93
US7812443B2Oct 12, 2010
Power semiconductor module for inverter circuit system
HITACHI LTD26 citations93
US7692923B2Apr 6, 2010
Power converter
HITACHI LTD25 citations93
US7504720B2Mar 17, 2009
Semiconductor unit, and power conversion system and on-vehicle electrical system using the same
HITACHI LTD38 citations93
US8863869B2Oct 21, 2014
Power conversion apparatus and electric vehicle
HITACHI LTD16 citations92
US7978468B2Jul 12, 2011
Power converter
HITACHI LTD20 citations92
US7952876B2May 31, 2011
Electric power converter
HITACHI LTD18 citations92
US7271557B2Sep 18, 2007
AC motor driving apparatus and method of controlling the same
HITACHI LTD33 citations92
US6918370B2Jul 19, 2005
Fuel supply apparatus using low boiling point fuel and its control method
HITACHI LTD12 citations92
US6741063B2May 25, 2004
Inverter apparatus
HITACHI LTD16 citations92
US6556464B2Apr 29, 2003
PWM converter system
HITACHI LTD30 citations92
US6496397B2Dec 17, 2002
Inverter device
HITACHI LTD29 citations92
US6486548B1Nov 26, 2002
Semiconductor module and power converting apparatus using the module
HITACHI LTD28 citations92
US5949663ASep 7, 1999
Inverter apparatus capable of readily modification of the specification and performance thereof
HITACHI LTD31 citations92
US7961472B2Jun 14, 2011
Electric circuit device, electric circuit module, and power converter
HITACHI LTD14 citations91
US6794854B2Sep 21, 2004
Vehicle power converted with shunt resistor having plate-shape resistive member
HITACHI LTD19 citations91
US11089702B2Aug 10, 2021
Power conversion apparatus and electric vehicle
HITACHI LTD6 citations84
US10524398B2Dec 31, 2019
Electric power conversion apparatus
HITACHI LTD6 citations84
US10321585B2Jun 11, 2019
Power conversion apparatus and electric vehicle
HITACHI LTD10 citations84
US10178780B2Jan 8, 2019
Power conversion apparatus and electric vehicle
HITACHI LTD3 citations84
US9888591B2Feb 6, 2018
Power conversion apparatus and electric vehicle
HITACHI LTD6 citations84
US9648791B2May 9, 2017
Electric power conversion apparatus
HITACHI LTD3 citations84
US9095079B2Jul 28, 2015
Power conversion apparatus and electric vehicle
HITACHI LTD6 citations84
US8902623B2Dec 2, 2014
Power inverter
HITACHI LTD8 citations84
TOKUYAMA TAKESHI
4 patentsUS8064234B2Nov 22, 2011
Power conversion apparatus
TOKUYAMA TAKESHI45 citations98
US8416574B2Apr 9, 2013
Electric power conversion apparatus
TOKUYAMA TAKESHI28 citations96
US9000553B2Apr 7, 2015
Power module and power converter containing power module
TOKUYAMA TAKESHI16 citations84
US8675364B2Mar 18, 2014
Power module and power conversion device
TOKUYAMA TAKESHI14 citations84
NISHIKIMI FUSANORI
3 patentsNAKATSU KINYA
3 patentsUS8240411B2Aug 14, 2012
Power conversion apparatus and electric vehicle
NAKATSU KINYA52 citations97
US8946567B2Feb 3, 2015
Power module, power converter device, and electrically powered vehicle
NAKATSU KINYA19 citations92
US8212382B2Jul 3, 2012
Power conversion apparatus and electric vehicle
NAKATSU KINYA16 citations92
HITACHI AUTOMOTIVE SYSTEMS LTD
3 patentsUS10348214B2Jul 9, 2019
Power module, power converter device, and electrically powered vehicle
HITACHI AUTOMOTIVE SYSTEMS LTD13 citations92
US9729076B2Aug 8, 2017
Power module, power converter device, and electrically powered vehicle
HITACHI AUTOMOTIVE SYSTEMS LTD5 citations84
US9407163B2Aug 2, 2016
Power module, power converter device, and electrically powered vehicle
HITACHI AUTOMOTIVE SYSTEMS LTD4 citations84
HITACHI IND EQUIPMENT SYS
2 patentsAZUMA KATSUNORI
1 patentIDE EIICHI
1 patentHITACHI ASTEMO LTD
1 patentShowing the top 50 of 96 patents by PatentIndex Score.