Inventor

Satoru Akutsu

Inventor

Tokyo, JP

Overview

1999–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 75 as inventor

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

H02Kprimary

H02KDynamo-electric machines51%

B62DMotor vehicles20%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters7%

G01DMeasuring not specially adapted for a specific variable6%

Y10TTechnical subjects covered by former us classification6%

G11BInformation storage based on relative movement between record carrier and transducer2%

G01BMeasuring length, thickness or similar linear dimensions2%

B60LPropulsion of electrically-propelled vehicles1%

E04FFinishing work on buildings, e.g. stairs, floors1%

F04BPositive-displacement machines for liquids1%

PatentTitleYear

11,018,616Electric driving apparatus and electric power steering apparatus2021 10,840,756Rotor and motor of rotating electrical device2020 10,840,832Permanent-magnet three-phase duplex motor and electric power steering apparatus2020 10,819,176Electric motor2020 10,673,309Inverter-integrated motor2020 10,644,642Three phase duplexing motor for electric power steering apparatus2020 10,644,573Permanent magnet motor2020 10,630,133Electric driving apparatus2020 10,574,125Rotor with flux barrier for reducing flux generated by winding inductance2020 10,439,459Rotor2019 10,418,866Multiple-polyphase AC dynamo-electric machine and electric power steering device2019 10,396,612Permanent magnet type concentrated winding motor2019 10,374,474Permanent magnet motor2019 10,320,254Permanent magnet motor and electric power steering apparatus2019 10,199,895Permanent magnet type motor and electric power steering apparatus2019 10,177,612Motor with stator fixing structure2019 10,177,637Permanent magnet motor2019 10,177,611Stator core, stator, and rotating electrical machine2019 10,116,177Rotor for rotary electric machine2018 10,075,037Electric motor and electric power steering device using the same2018 9,985,507Permanent magnet type motor2018 9,878,734'Electric power steering apparatus'2018 9,729,022'Electric power steering device'2017 9,729,028'Rotary electric machine having integrated drive control device'2017 9,627,936'Permanent magnet motor'2017 9,627,944'Electric drive apparatus'2017 9,570,960'Driving-device-integral-type rotary electric machine'2017 9,564,779'Permanent magnet motor'2017 9,531,232'Rotating electrical machine incorporating drive device'2016 9,472,988'Rotary electric machine and method of manufacturing the same'2016 9,391,486'Electric power steering electric motor apparatus and electric power steering apparatus'2016 9,350,204'Permanent magnet rotating electrical machine and electric power steering apparatus having a stator core with supplemental grooves'2016 9,331,623'Brushless motor, external AC voltage source, and electric power steering device'2016 9,252,638'Rotary electric machine'2016 9,240,707'Rotary electric machine'2016 9,184,637'Rotor of rotary electric machine having non-magnetic ring'2015 9,172,278'Permanent magnet type rotary electric machine and electric power steering apparatus using the same'2015 9,088,196'Motor drive device for 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 8,829,758'Rotary electric machine'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 8,598,762'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 8,427,142'Rotation angle detecting device'2013 8,413,315'Method of manufacturing rotor of a rotating electrical machine'2013 D0664565'Power steering motor for vehicle'2012 8,156,701'Floor support and floor structure'2012 8,136,623'Electric motor apparatus for electric power steering and electric power steering apparatus'2012 7,932,651'Motor for controller integrated electric power steering apparatus and electric power steering apparatus'2011 7,741,747'Rotor of rotating electrical machine and manufacturing method there for'2010 7,675,206'Rotating electric machine and manufacturing method thereof'2010 7,579,729'Rotary electric machine'2009 7,427,858'Resolver reference position adjustment method'2008 7,356,910'Method of manufacturing a rotation angle detector'2008 7,183,952'Resolver'2007 7,009,389'Rotation angle detection device'2006 6,936,949'Rotation angle detecting apparatus'2005 6,936,942'Motor for electric power steering apparatus'2005 6,891,365'Rotation angle detection device'2005 6,882,080'Permanent magnet synchronous motor'2005 6,750,574'Motor for use with motorized power steering apparatus'2004 6,707,185'Electric power steering apparatus'2004 6,518,687'Stator for starter motor'2003 6,476,533'Stator for starter motor'2002 6,362,553'Rotary motor and production method thereof, and laminated core production method thereof'2002 6,323,571'Rotary motor and production method thereof, and laminated core and production method thereof'2001 6,169,644'Read/write device'2001 6,167,610'Method of making a rotary motor'2001 6,121,711'Rotary motor and production method thereof, and laminated core and production method thereof'2000 6,078,467'Magnetic recording apparatus having medium driving motor with reduced thickness utilizing press working, press forming or the like'2000 5,870,248'Frame for flexible disk drive unit having distortion prevention hole and 2 ribs formed around motor attaching hole'1999 5,859,486'Rotary motor and production method thereof, and laminated core and production method thereof'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2021Patents assigned to MITSUBISHI ELECTRIC CORP (71)· patent assignee history

1999–2021Based in Tokyo, JP· patent location history

1999–2002Based in Fukushima, JP· patent location history

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

2012–2020Patents assigned to AKUTSU SATORU (30)· patent assignee history

2012–2019Patents assigned to ASAO YOSHIHITO (20)· patent assignee history

2012–2016Patents assigned to TAKASHIMA KAZUHISA (10)· patent assignee history

2012Based in Yokohama, JP· patent location history

2013–2020Patents assigned to NAKANO MASATSUGU (15)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI ELECTRIC CORP	71	1999–2021
AKUTSU SATORUself	30	2012–2020
ASAO YOSHIHITO	20	2012–2019
NAKANO MASATSUGU	15	2013–2020
TAKASHIMA KAZUHISA	10	2012–2016

Locations

Location	Patents	Span
Tokyo, JP	50	1999–2021
Chiyoda-ku, JP	19	2010–2019
Fukushima, JP	5	1999–2002
Yokohama, JP	1	2012