Inventor

Shigenobu Nakamura

Inventor

Anjo, JP

Overview

1986–2018

Patent span

Electricity

Primary field (CPC H)

Patents· 103 as inventor

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

H02Kprimary

H02KDynamo-electric machines30%

H10NElectric solid-state devices not otherwise provided for14%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof9%

Y10TTechnical subjects covered by former us classification8%

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers6%

H01LSemiconductor devices5%

F16HGearing2%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters2%

A63FCard, board, or roulette games2%

F02BInternal-combustion piston engines2%

PatentTitleYear

9,932,946Multi-layer piezoelectric element, and piezoelectric actuator, injection device, and fuel injection system provided with the same2018 9,705,384'Rotor for rotating electric machine'2017 9,407,995'Acoustic generator, acoustic generation device, and electronic device'2016 9,369,810'Acoustic generator, acoustic generation device, and electronic device'2016 9,363,606'Acoustic generator, acoustic generating device, and electronic device'2016 9,351,067'Acoustic generator, acoustic generation device, and electronic apparatus'2016 9,338,558'Acoustic generator, acoustic generation device, and electronic device'2016 9,338,557'Acoustic generator, acoustic generation device, and electronic device'2016 9,287,486'Multi-layer piezoelectric element, and piezoelectric actuator, injection device, and fuel injection system provided with same'2016 9,277,327'Acoustic generator, acoustic generating device, and electronic device'2016 9,215,531'Acoustic generator, acoustic generating device, and electronic device'2015 9,153,766'Multi-layer piezoelectric element with stress relaxing, and injection device and fuel injection system using the same'2015 9,070,355'Acoustic generator, acoustic generation device, and electronic device'2015 9,005,383'Method for manufacturing ceramic member, and ceramic member, gas sensor device, fuel cell device, multi-layer piezoelectric device, injection apparatus and fuel injection system'2015 8,991,723'Multi-layer piezoelectric element, and injection device and fuel injection system incorporating the multi-layer piezoelectric element'2015 8,994,247'Piezoelectric actuator, piezoelectric vibration apparatus, and portable terminal'2015 8,952,598'Piezoelectric actuator, piezoelectric vibration apparatus and portable terminal having a region that is not flat for bonding to a flexible substrate'2015 8,884,488'Stator for electric rotating machine and manufacturing method of the same'2014 8,714,141'Multi-layer piezoelectric element, and injection device and fuel injection system comprising the same'2014 8,680,878'Electric current measuring device with improved installability'2014 8,648,517'Multilayer piezoelectric element and injector using the same'2014 8,578,911'Multi-layer piezoelectric element, and injection device and fuel injection system using the same'2013 8,450,899'Stator for electric rotating machine'2013 8,441,174'Multilayer piezoelectric element and injector using the same'2013 8,413,314'Methods of manufacturing a stator for an electric rotating machine'2013 8,378,554'Multi-layer piezoelectric element and injection apparatus using the same'2013 8,339,017'Multi-layer piezoelectric element and injection apparatus using the same'2012 8,288,921'Multilayer piezoelectric element and injector using the same'2012 8,276,567'Multi-layer piezoelectric element, and injection apparatus and fuel injection system that employ the same'2012 8,264,115'Stator for electric rotating machine'2012 8,209,827'Method of manufacturing a piezoelectric element'2012 8,007,903'Method for manufacturing ceramic member, and ceramic member, gas sensor device, fuel cell device, filter device, multi-layer piezoelectric device, injection apparatus and fuel injection system'2011 8,004,144'Rotor for automotive alternator having mechanism for positioning magnetic pole cores'2011 8,004,155'Multi-layer piezoelectric element'2011 7,960,878'Electric rotating machine with means for feeding cooling liquid to its stator winding'2011 7,948,143'Stator for use in electric rotary machine and electric rotary machine'2011 7,936,108'Multi-layer piezoelectric element with electrodes made of glass and conductive material'2011 7,893,590'Stator having high assembly'2011 7,855,482'Rectifier with improved resistance against vibration'2010 7,855,480'Rectifier device for automotive alternator'2010 7,839,032'Automotive alternator having rectifier device'2010 7,800,261'Rotary electric machine with stator outer surface designed to enhance heat dissipation'2010 7,791,256'Multi-layer piezoelectric element'2010 7,786,652'Multi-layer piezoelectric element'2010 7,759,830'Alternating current generator with improved frame structure'2010 7,705,506'Rotary electric machine and stator coil rotary electric machines'2010 7,622,842'Rotary electric machine and stator for rotary electric machines'2009 7,615,908'Vehicle alternator with improved operation reliability'2009 7,605,518'Rotary electric machine for vehicles'2009 7,598,636'Automotive alternator with cooling fan having projections for preventing foreign particles'2009 7,586,203'Vehicle-use generator'2009 7,569,968'Rotor for vehicular electric rotary machine, vehicular electric rotary machine using such rotor and related manufacturing methods'2009 7,498,727'Multi-layer piezoelectric element and method for manufacturing the same'2009 7,182,707'Belt-drive system driven by internal combustion engine mounted on automotive vehicle'2007 7,183,677'Automotive alternator having rectifier mounted on heatsink plate with cooling fins'2007 7,155,805'Method for making stator of rotary electric machine'2007 7,141,900'Connector case for vehicle ac generator'2006 7,067,947'Automotive alternator having rectifier mounted on heatsink plate with cooling fins'2006 7,038,340'Bearing device and AC generator for vehicles using the same'2006 7,015,578'Semiconductor unit with cooling system'2006 7,010,846'Method of manufacturing stator core of vehicle rotary electric machine'2006 7,011,591'Belt-drive system driven by internal combustion engine mounted on automotive vehicle'2006 7,005,773'Stator arrangement of vehicle AC generator'2006 6,958,751'Image processing device, image processing method and recording medium'2005 6,943,477'Stator of rotary electric machine and method for making the same'2005 6,875,140'Engine auxiliary unit driving equipment'2005 6,853,112'Rotating electric machine'2005 6,809,443'Alternator for an automotive vehicle'2004 6,803,747'Internal combustion driven automotive alternator having inertial torque change control circuit'2004 6,798,106'Vehicle AC generator having vibration-resistant stator'2004 6,794,785'Alternator for vehicles'2004 6,770,996'Rotary electric machine with stator elastic support structure'2004 6,738,067'Image processing device, image processing method and recording medium'2004 6,703,750'Stator of rotary electric machine and method for making the same'2004 6,700,306'Laminated piezo-electric device'2004 6,655,516'Concentrically arranged pulley and shaft with one-way clutch'2003 6,559,572'Stator core of vehicle rotary electric machine and method of manufacturing the same'2003 6,531,849'Alternator for vehicles'2003 6,528,910'Cooling arrangement of vehicle rotary electric machine'2003 6,507,133'Stator arrangement of vehicle AC generator'2003 6,504,346'Rotary electric machine for vehicle'2003 6,492,757'Stator arrangement of rotary electric machine for vehicle'2002 6,476,530'Stator of alternator for use in automotive vehicle'2002 6,471,409'Vehicle bearing device'2002 6,459,177'Electric rotary machine having a plurality of conductor segments and method of manufacturing the same'2002 6,433,457'Brushless AC generator'2002 6,429,556'AC generator for vehicle'2002 6,417,592'Rotary electric machine for vehicle'2002 6,414,417'Laminated piezoelectric actuator'2002 6,414,410'Rotary electric machine having reduced winding'2002 6,404,091'Automotive ac generator'2002 6,346,758'Rotary electric machine and method of manufacturing the same'2002 6,343,987'Image processing device, image processing method and recording medium'2002 6,337,530'AC generator for vehicle with helical stator having bolt recesses on outer cylindrical surface'2002 6,333,573'Rotary electric machine having resin covered joined portions'2001 6,281,613'AC generator having speed limit means'2001 6,275,404'Rectifier arrangement of vehicle AC generator'2001 6,252,199'Heating roller for fixing'2001 6,127,763'AC generator having claw-pole rotor'2000 6,096,995'Heating roller for fixing'2000 6,034,452'Rectifier arrangement of alternator for vehicle'2000 RE036038'Rotor of alternator mounted on vehicle'1999 4,617,485'Rotor of alternator mounted on vehicle'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2017Patents assigned to DENSO CORP (64)· patent assignee history

2000–2018Patents assigned to KYOCERA CORP (35)· patent assignee history

2000–2017Based in Anjo, JP· patent location history

2002–2005Patents assigned to SEGA ENTERPRISES KK (3)· patent assignee history

2002–2005Based in Tokyo, JP· patent location history

2002–2004Based in Kokubu, JP· patent location history

2009–2016Based in Kirishima, JP· patent location history

2012–2018Patents assigned to NAKAMURA SHIGENOBU (19)· patent assignee history

2013–2016Patents assigned to OKAMURA TAKESHI (3)· patent assignee history

2015–2018Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DENSO CORP	64	1999–2017
KYOCERA CORP	35	2000–2018
NAKAMURA SHIGENOBUself	19	2012–2018
OKAMURA TAKESHI	3	2013–2016
SEGA ENTERPRISES KK	3	2002–2005

Locations

Location	Patents	Span
Anjo, JP	63	2000–2017
Kirishima, JP	29	2009–2016
Tokyo, JP	3	2002–2005
Kyoto, JP	2	2015–2018
Kokubu, JP	2	2002–2004