Inventor

Yoshihito Asao

Inventor

Tokyo, JP

Overview

1997–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 297 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H02Kprimary

H02KDynamo-electric machines50%

B62DMotor vehicles8%

Y10TTechnical subjects covered by former us classification6%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters5%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%

H05KPrinted circuits3%

LOC133%

H01RElectrically-conductive connections2%

H01LSemiconductor devices2%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems2%

PatentTitleYear

11,046,356Electric power steering device2021 10,873,233Case of electric apparatus and manufacturing method therefor2020 10,840,832Permanent-magnet three-phase duplex motor and electric power steering apparatus2020 10,793,182Integrated electric power steering apparatus2020 10,759,467Integrated electric power steering apparatus2020 10,734,868Vehicle electronic control device and motor drive device2020 10,710,628Integrated electric power steering apparatus and manufacturing method therefor2020 10,696,320Electrical power steering apparatus housing with reduced pressure for power board connectors2020 10,673,309Inverter-integrated motor2020 10,644,642Three phase duplexing motor for electric power steering apparatus2020 10,618,545Electric power steering apparatus2020 10,548,213Electronic controlling apparatus2020 10,479,398Integrated electric power steering apparatus and manufacturing method therefor2019 10,396,612Permanent magnet type concentrated winding motor2019 10,373,896Semiconductor module and drive device equipped with semiconductor module2019 10,367,397Controller-integrated rotary electric machine and method for manufacturing the same2019 10,343,713Electric power steering apparatus2019 10,321,554Electronic control unit2019 10,285,286Electronic control device and method of manufacturing same, and electric power steering control device2019 10,211,709Electric power steering device2019 10,193,412Electric motor controller2019 10,177,612Motor with stator fixing structure2019 10,167,012Electric power steering device2019 10,144,447Control unit and electric power steering device using same, and method for manufacturing control unit2018 10,017,203Integral-type electric power steering device2018 9,985,486Rotor for magnetic rotating electrical machine, production method for same, and device2018 9,978,670Semiconductor module and semiconductor driving device2018 9,935,040Semiconductor module2018 9,888,613'Power module for electric power steering and electric power steering drive control apparatus using the same'2018 9,878,734'Electric power steering apparatus'2018 9,759,582'Motor rotational angle detection device and electric power steering device using motor rotational angle detection device'2017 9,729,028'Rotary electric machine having integrated drive control device'2017 9,729,022'Electric power steering device'2017 9,640,470'Semiconductor module'2017 9,627,944'Electric drive apparatus'2017 9,627,936'Permanent magnet motor'2017 9,586,615'Electric power steering apparatus'2017 9,577,488'Drive unit integrated rotating electrical machine'2017 9,570,960'Driving-device-integral-type rotary electric machine'2017 9,564,779'Permanent magnet motor'2017 9,543,802'Motor drive apparatus'2017 9,531,232'Rotating electrical machine incorporating drive device'2016 9,397,592'Motor control device and electric power steering device'2016 9,391,486'Electric power steering electric motor apparatus and electric power steering apparatus'2016 9,338,925'Device for controlling drive of motor for electric power steering device'2016 9,270,145'Electric power steering device'2016 9,252,638'Rotary electric machine'2016 9,129,949'Power semiconductor module'2015 9,129,931'Power semiconductor module and power unit device'2015 9,123,693'Mold module utilized as power unit of electric power steering apparatus and electric power steering apparatus'2015 9,088,196'Motor drive device for electric power steering apparatus'2015 9,079,603'Motor for an electric power steering apparatus'2015 9,054,563'Motor for electric power steering device'2015 9,035,505'Motor for an electric power steering apparatus'2015 8,924,081'Electric power steering apparatus and control device integrated-type electric motor'2014 8,878,474'Motor control device, current control method applied to motor control device, and electric power steering device using motor control device'2014 8,749,977'Power semiconductor module and its attachment structure'2014 8,704,415'Controller-integrated electric rotating machine with a shifted control circuit'2014 8,698,363'Electric rotating machine for vehicle'2014 8,680,731'Permanent-magnetic type rotary electric machine'2014 8,648,513'Permanent magnet type rotating electrical machine and electric power steering device'2014 8,604,658'Permanent magnet type rotating electrical machine and electric power steering device'2013 8,595,915'Stator of electric rotating machine'2013 8,598,762'Permanent magnet rotating electric machine and electric power steering device using the same'2013 8,446,111'Motor for electric power steering device with integrated controller and electric power steering device'2013 8,413,315'Method of manufacturing rotor of a rotating electrical machine'2013 8,319,381'Automotive electric motor-generator with radial plates and circuit boards disposed in a fan shape in a common plane around shaft of rotor'2012 8,304,944'Electric power-steering apparatus motor apparatus'2012 D0664565'Power steering motor for vehicle'2012 8,221,284'Automotive drive apparatus'2012 8,198,763'Controller-integrated electric rotating machine with a shifted control circuit'2012 8,136,623'Electric motor apparatus for electric power steering and electric power steering apparatus'2012 8,087,401'Automotive supercharging apparatus'2012 8,011,467'Vehicle power supply system'2011 7,960,880'Automotive electric motor-generator with radial plates and circuit boards disposed in a fan shape in a common plane around shaft of rotor'2011 7,932,651'Motor for controller integrated electric power steering apparatus and electric power steering apparatus'2011 7,909,130'Electric power steering apparatus'2011 7,898,126'Inverter-integrated rotating electric machine having improved thermal characteristics'2011 7,893,381'Welding set of metal member including permanent magnet and welding method thereof, as well as electric rotating machine'2011 7,847,463'Alternating-current dynamoelectric machine'2010 7,827,672'Method of manufacture stator for an automotive alternator'2010 7,800,265'Motor for an electric power steering apparatus'2010 7,768,162'Dynamoelectric coil portion insulating construction'2010 7,741,747'Rotor of rotating electrical machine and manufacturing method there for'2010 7,723,933'Vehicular generator-motor control apparatus'2010 7,663,894'Multilayer printed wiring board'2010 7,638,910'Electric rotating machine'2009 7,633,197'Dynamoelectric machine'2009 7,610,973'Automotive electric motor-generator apparatus'2009 7,612,509'Motor controller'2009 7,589,481'Control device integrated dynamo-electric machine'2009 7,579,741'Automotive dynamoelectric machine'2009 7,545,061'Rotating electric machine for vehicles'2009 7,545,642'Automotive dynamoelectric machine'2009 7,541,703'Rotary electric machine'2009 7,538,523'Control apparatus-integrated generator-motor'2009 7,498,701'Controller-integrated rotating electrical machine'2009 7,495,360'Automotive dynamoelectric machine'2009 7,495,365'Stator and resolving method and device thereof'2009 7,485,983'Vehicle power supply system'2009 7,466,059'Rotor of electric rotating machine'2008 7,439,696'Rotating electric machine and manufacturing method thereof'2008 7,423,342'Method for assembling semiconductor switching elements and heat sink in rotary electric machine and rotary electric machine'2008 7,420,312'Rotating electrical machine'2008 7,417,861'Vehicular power converter'2008 7,417,350'Dynamoelectric claw-shaped rotor with magnet retainer'2008 7,414,339'Vehicular rotating electrical machine apparatus'2008 7,414,343'Hybrid-excited rotating machine, and vehicle with the hybrid-excited rotating machine'2008 7,400,070'Rotating electric machine for vehicles'2008 7,400,076'Rotating electric machine and method and device for positioning rotational position sensor for the machine'2008 7,397,223'Inverter-integrated electrical rotating machine'2008 7,388,346'Adjustment method of rotor position detection of synchronous motor'2008 7,368,841'Dynamoelectric claw-shaped rotor with magnet retainer'2008 7,362,002'Automotive starter generator apparatus'2008 7,345,394'Dynamoelectric claw-shaped rotor with magnet retainer'2008 7,345,439'Rotary electric machine for vehicle'2008 7,340,821'Stator and resolving method and device thereof'2008 7,342,343'Stator and resolving method and device thereof'2008 7,294,984'Motor controller'2007 7,291,950'Electric rotating machine for vehicle'2007 7,288,866'Rotary electric machine'2007 7,274,127'Automotive alternator and automotive alternator brush abrasion detection system'2007 7,268,441'Control device for motor generator'2007 7,268,513'Motor/generator unit'2007 7,259,489'Dynamoelectric claw-shaped rotor with magnet retainer'2007 7,239,059'Stator of rotating electric machine and manufacturing method of the stator'2007 7,230,399'Vehicular generator-motor system'2007 7,224,078'Electric rotating machine for vehicle'2007 7,211,922'Rotor for rotating electric machine'2007 7,208,856'Electric rotating machine'2007 7,176,659'Vehicle electrical power supply system for supplying power to a high power load'2007 7,135,803'Dynamoelectric rotor having permanent magnets disposed between adjacent claw-shaped magnetic poles'2006 7,122,925'Automotive dynamoelectric machine'2006 7,116,032'Automotive alternator and automotive alternator brush abrasion detection system'2006 7,109,630'Electric rotating machine and manufacturing process thereof'2006 7,105,978'Rotor of electric rotating machine'2006 7,095,145'Rotating electric machine and method and device for positioning rotational position sensor for the machine'2006 7,067,949'Rotary electric machine'2006 7,067,954'Automotive rotary electric machine'2006 7,053,518'Rotor for dynamo-electric machine'2006 7,049,726'Stator for dynamo-electric machine'2006 7,021,973'Electric rotating machine'2006 7,021,271'Belt drive system'2006 7,012,348'On-vehicle AC generator'2006 7,009,324'Rotor of electric rotating machine'2006 6,995,493'Rotor of rotating electric machine'2006 6,979,927'Automotive alternating-current dynamoelectric machine'2005 6,977,475'Automotive electric power supply apparatus'2005 6,975,080'Rotating electrical machine for vehicle'2005 6,963,150'Electric rotating machine for vehicle'2005 6,960,857'Stator for an alternator and method for the manufacture thereof'2005 6,957,636'Apparatus and method for preventing an overshoot in the rotation speed of an internal-combustion engine'2005 6,946,759'Stator for an automotive alternator and method of manufacturing the same'2005 6,940,197'Rotary electric machine for vehicle and control device thereof'2005 6,936,946'Rotor of electric rotating machine'2005 6,933,654'Rotor of rotating electric machine'2005 6,930,432'Rotor of dynamo-electric machine'2005 6,901,649'Method of manufacturing a winding assembly for an alternator'2005 6,894,414'Alternator'2005 6,888,329'Control method of dynamo-electric machine for vehicle'2005 6,885,129'Ac generator for vehicle'2005 6,882,081'Rotor for rotary electric rotor'2005 6,865,796'Method of manufacturing a stator for an alternator with reduced conductor portions'2005 6,847,150'Rotating electrical machine for vehicle'2005 6,815,864'AC generator'2004 6,809,437'Automotive alternator'2004 6,806,616'Rotor of rotating electric machine'2004 6,798,108'Alternator including case with open portion for brush removal'2004 6,787,952'Alternator'2004 6,777,850'Stator and stator core for a dynamoelectric machine and a method for manufacture thereof'2004 6,760,965'Method for manufacturing an alternator'2004 6,740,995'Automotive alternator'2004 6,737,772'AC generator for use in vehicle and method for forming connection latch portion in conductor wire applied to stator winding thereof'2004 6,735,071'Capacitor assembly for an alternator and a method for the manufacture thereof'2004 6,729,011'Method of manufacturing for a stator core'2004 6,717,316'Alternator and method of manufacture therefor'2004 6,717,317'Stator for a dynamoelectric machine'2004 6,713,928'Automotive alternator'2004 6,707,211'Stator for an automotive alternator and method for manufacture thereof'2004 6,703,759'Alternator'2004 6,700,243'Automotive alternator'2004 6,700,296'AC generator for vehicle'2004 6,700,239'Automotive alternator'2004 6,690,099'Automotive alternator'2004 6,687,974'Method for manufacturing an alternator'2004 6,674,193'Automotive alternator'2004 6,674,194'Automotive alternator'2004 6,664,669'A.C. generator for vehicle and a method of producing the same'2003 6,664,703'Stator for rotary machine and method of manufacturing the stator'2003 6,664,695'Stator of AC generator for use in a vehicle with radially aligned, rectilinear polymorphic cross-section conductor wires'2003 6,661,146'Automotive alternator'2003 6,657,331'Automotive alternator'2003 6,657,352'Alternator and method of manufacture therefor'2003 6,657,336'Modified output terminal structure of AC generator'2003 6,628,035'Alternator'2003 6,624,544'Neutral-point joint portion of stator winding for an alternator'2003 6,621,190'Rotor for an automotive alternator'2003 6,617,718'Automotive alternator'2003 6,614,141'Automotive alternator and a method for manufacturing a stator therefor'2003 D0476623'Stator of vehicle alternator'2003 D0476295'Stator of vehicle alternator'2003 6,573,631'Automotive alternator'2003 6,566,781'Stator for an automotive alternator'2003 6,555,992'Automotive electric power supply assembly'2003 6,552,463'Dynamo-electric machine having winding phase groups of series-connected windings connected in parallel'2003 6,538,352'Automotive alternator having a rectifier heat sink and voltage regulator heat sink integrated in one single support structure'2003 6,531,803'Alternating current generator for vehicle'2003 6,528,912'Automotive alternator'2003 6,525,443'Dynamo-electric machine'2003 6,525,438'Alternator'2003 D0470817'Stator of vehicle alternator'2003 D0470456'Stator of vehicle alternator'2003 6,515,393'Automotive alternator'2003 D0469740'Stator of vehicle alternator'2003 6,509,660'Alternating current generator with improved fan system'2003 6,507,137'Vehicular AC generator'2003 6,504,283'Alternator'2003 6,501,207'Rotor for a vehicular A. C. generator'2002 D0467870'Stator of vehicle alternator'2002 6,501,205'Alternator'2002 6,498,414'Stator of dynamo-electric machine'2002 6,498,413'Alternator, stator winding assembly therefor, and method of manufacture for the stator winding assembly'2002 D0466477'Stator of vehicle alternator'2002 6,486,586'Alternator'2002 6,477,761'Production method for an AC generator stator core for a vehicle'2002 6,476,535'A.c. generator for vehicle'2002 6,472,793'Alternator for vehicles'2002 6,470,563'Method of manufacture for a stator core'2002 6,469,413'Alternator'2002 6,469,408'Alternator'2002 6,462,453'Stator for an alternator'2002 6,462,440'Vehicle alternator'2002 6,455,972'Alternator'2002 6,455,958'AC generator for vehicle'2002 6,448,681'Alternator'2002 6,448,687'Automotive alternator'2002 6,441,527'A.C. generator for vehicle'2002 6,441,526'Alternator'2002 6,433,455'Vehicle AC generator'2002 6,433,456'Automotive alternator'2002 6,429,552'A.C. generator for vehicle'2002 6,424,073'Alternator'2002 6,424,071'Automotive alternator'2002 6,417,585'Vehicular AC generator'2002 6,417,594'Vehicle alternator'2002 6,404,096'Alternating current generator for vehicle'2002 D0458222'Stator of AC generator for vehicles'2002 6,396,185'Alternator'2002 6,396,184'Alternator'2002 6,376,961'Coil assembly of rotating electrical machinery and method for producing the same, and stator of rotating electric machinery using the same coil assembly'2002 6,373,166'Alternator'2002 6,369,485'Rotor structure'2002 6,369,474'Alternating current generator for vehicle'2002 6,359,352'Vehicular AC generator'2002 6,333,582'Rotor for an alternator'2001 6,326,715'Stator for an automotive alternator'2001 D0448729'Stator of AC generator for vehicles'2001 D0448343'Stator of AC generator for vehicles'2001 D0448004'Stator of AC generator for vehicles'2001 6,291,921'Automotive alternator'2001 D0447731'Stator of AC generator for vehicles'2001 6,288,462'Stator of alternating current generator'2001 6,288,471'Alternator having a starter with non-uniformly pitched slots'2001 6,285,105'Vehicular AC generator'2001 D0447114'Stator of AC generator for vehicles'2001 6,281,612'Stator of AC generator for use in vehicle and method of manufacturing the same'2001 D0447115'Stator of AC generator for vehicles'2001 6,268,678'Alternator'2001 6,262,511'AC generator stator core for vehicle and production method thereof'2001 6,252,330'Dynamo-electric rotor with reduced magnetic flux leakage and with a structure permitting high efficiency assembly'2001 6,246,142'Stator core for car AC generator and process for producing stator core for car AC generator'2001 6,236,557'Capacitor for car AC generator'2001 6,225,727'Rotor for dynamo-electric machine and method for magnetizing magnetic bodies thereof'2001 6,208,058'Automotive alternator'2001 6,201,335'Rotor structure'2001 6,198,187'Automotive alternator'2001 6,184,600'Alternating-current generator for vehicles and heat sink incorporated therein'2001 6,172,434'Automotive alternator'2001 6,172,433'Alternating current generator with improved fans system'2001 6,166,471'Dynamo-electric machine'2000 6,157,111'Rotor for dynamo-electric machine'2000 6,147,431'Stator core and method of manufacture therefor'2000 6,121,699'AC generator for motor vehicles'2000 6,114,783'AC generator for use in a vehicle'2000 6,114,793'Automotive alternator'2000 6,107,719'Rotor for an automotive alternator'2000 6,081,054'Automotive alternator'2000 6,049,154'Stator for vehicle alternator'2000 6,037,694'Rotor for an automotive alternator'2000 6,034,464'Vehicle alternator'2000 6,023,119'Alternator'2000 6,023,112'Alternating current generator with improved fan system'2000 6,018,205'Vehicle alternator'2000 6,002,194'Rotor for a dynamo-electric machine'1999 5,903,084'Rotor for dynamo-electric machine'1999 5,742,107'Rotary cooling fan'1998 5,675,238'Power supply system'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2021Patents assigned to MITSUBISHI ELECTRIC CORP (293)· patent assignee history

1997–2021Based in Tokyo, JP· patent location history

1998Based in Himeji, JP· patent location history

2006Based in Kobe, JP· patent location history

2010–2019Based in Chiyoda-ku, JP· patent location history

2012–2019Patents assigned to ASAO YOSHIHITO (44)· patent assignee history

2012–2019Patents assigned to AKUTSU SATORU (20)· patent assignee history

2012–2019Patents assigned to SONODA ISAO (12)· patent assignee history

2013–2019Patents assigned to NAKANO MASATSUGU (10)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI ELECTRIC CORP	293	1997–2021
ASAO YOSHIHITOself	44	2012–2019
AKUTSU SATORU	20	2012–2019
SONODA ISAO	12	2012–2019
NAKANO MASATSUGU	10	2013–2019

Locations

Location	Patents	Span
Tokyo, JP	265	1997–2021
Chiyoda-ku, JP	30	2010–2019
Kobe, JP	1	2006
Himeji, JP	1	1998