Inventor
MAEKAWA HIROTOSHI
JP30 patents
⚠️ This page may combine multiple inventors who share the name “MAEKAWA HIROTOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
22 patentsUS5703410ADec 30, 1997
Control system for engine generator
MITSUBISHI ELECTRIC CORP124 citations98
US6181590B1Jan 30, 2001
Power inverter
MITSUBISHI ELECTRIC CORP110 citations96
US6327165B1Dec 4, 2001
Power conversion apparatus for interchangeably converting alternating current and direct current
MITSUBISHI ELECTRIC CORP55 citations95
US6215679B1Apr 10, 2001
Alternator power converter
MITSUBISHI ELECTRIC CORP74 citations95
US6181587B1Jan 30, 2001
Analog signal detecting circuit, and AC side current detector of semiconductor power conversion device
MITSUBISHI ELECTRIC CORP67 citations95
US5506772AApr 9, 1996
Trouble-diagnosis multi-function tester
MITSUBISHI ELECTRIC CORP90 citations94
US6268986B1Jul 31, 2001
Motor control unit
MITSUBISHI ELECTRIC CORP51 citations93
US7471003B2Dec 30, 2008
Vehicular power control apparatus
MITSUBISHI ELECTRIC CORP36 citations92
US6791170B1Sep 14, 2004
Onboard semiconductor device
MITSUBISHI ELECTRIC CORP40 citations92
US6392376B1May 21, 2002
Electric vehicle motor controller with temperature variation compensation
MITSUBISHI ELECTRIC CORP30 citations92
US6115270ASep 5, 2000
Electric power conversion assembly with ceramic smoothing capacitor
MITSUBISHI ELECTRIC CORP36 citations91
US4924391AMay 8, 1990
Trouble-diagnosable multifunction testing apparatus
MITSUBISHI ELECTRIC CORP44 citations91
US6888729B2May 3, 2005
Single module electric power conversion apparatus
MITSUBISHI ELECTRIC CORP43 citations89
US6137705AOct 24, 2000
Drive control and protection circuit for a car power inverter
MITSUBISHI ELECTRIC CORP26 citations88
US8040702B2Oct 18, 2011
DC/DC power converting apparatus
MITSUBISHI ELECTRIC CORP7 citations84
US7619907B2Nov 17, 2009
DC/DC power conversion device
MITSUBISHI ELECTRIC CORP8 citations84
US4862371AAug 29, 1989
Fault diagnosis system for electronic devices on automobiles
MITSUBISHI ELECTRIC CORP21 citations82
US8803491B2Aug 12, 2014
DC/DC voltage converter and voltage conversion control method therefor
MITSUBISHI ELECTRIC CORP6 citations73
US4901025AFeb 13, 1990
Fault diagnosis system for electronic devices on automobiles
MITSUBISHI ELECTRIC CORP8 citations73
US8036008B2Oct 11, 2011
DC/DC power converting apparatus
MITSUBISHI ELECTRIC CORP6 citations62
US8031478B2Oct 4, 2011
Power conversion apparatus
MITSUBISHI ELECTRIC CORP2 citations62
US4910678AMar 20, 1990
Failure memory device
MITSUBISHI ELECTRIC CORP4 citations61