Inventor

Toshiaki Nakamura

Inventor

Nara, JP

Overview

1979–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 129 as inventor

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

H05Bprimary

H05BElectric heating9%

H01PWaveguides8%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications6%

F04DNon-positive-displacement pumps4%

G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure4%

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 systems4%

A61BDiagnosis4%

G01CMeasuring distances, levels or bearings3%

B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general3%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof3%

PatentTitleYear

10,866,033Heat storage container and heat storage device provided with heat storage container2020 10,845,194Inertial force detection device2020 10,804,771Electric actuator and rotation control mechanism2020 10,786,215Portable x-ray imaging apparatus2020 10,760,855Heat sink2020 10,763,724Sensor unit2020 10,718,572Heat sink2020 10,686,348Electric actuator2020 10,677,534Heat sink2020 10,648,878Oil pressure sensor attachment structure2020 10,637,332Electric actuator2020 10,612,740Light-emitting device, illumination apparatus, and moving body2020 10,605,378Sensor unit2020 10,591,378Pressure sensor attachment structure2020 10,591,051Sensor mounting structure2020 10,477,643Lighting device and vehicle2019 10,451,512Oil pressure sensor attachment structure2019 10,421,662Sensor fixing structure including valve body and pressure sensor2019 10,408,700Oil pressure sensor attaching structure2019 10,378,525Electric pump apparatus2019 10,359,237Heat source material composition, and auxiliary heat source and heat supply method using the same2019 10,345,181Hydraulic pressure sensor attachment structure2019 10,302,517Hydraulic sensor attachment structure2019 10,295,424Oil pressure sensor attachment structure2019 10,231,312Lighting device, luminaire, vehicle with same, and control method2019 D0835280Medical X-ray imaging machine2018 10,139,302Hydraulic pressure sensor mounting structure2018 10,119,878Oil-pressure-sensor attachment structure2018 10,036,315Sensor attachment structure2018 10,009,970Power supply device, solid-state light-emitting element lighting device, lamp, automotive lamp, vehicle, and method for controlling power converters2018 9,961,741Circuit device, lighting device, and vehicle using the same2018 9,939,267Angular speed detection device2018 9,884,582'Lighting device and vehicle lighting system with same'2018 9,678,101'Physical quantity detection apparatus'2017 9,655,582'Radiographic apparatus'2017 9,474,114'Lighting device, light source device, illuminating device, and vehicular headlight'2016 9,376,056'Power supply device and illumination device for vehicle using same'2016 9,357,597'Lighting device and vehicle headlamp'2016 9,229,025'Inertial sensor'2016 9,192,034'Discharge lamp ballast, lighting unit, and vehicle'2015 9,123,188'Acceleration sensor fault detection apparatus'2015 8,836,348'Electrostatic capacitance type physical quantity sensor and angular velocity sensor'2014 8,757,876'X-ray apparatus'2014 8,575,854'Power conversion apparatus, discharge lamp ballast and headlight ballast'2013 8,502,632'Transformer, power converter, lighting device, lighting device for vehicle, and vehicle using the same'2013 8,482,940'Illumination lighting device, discharge lamp lighting device, and vehicle headlamp lighting device using same'2013 8,456,179'Angular velocity detection device'2013 8,427,177'Capacitance sensor'2013 8,378,792'Electronic information device and control method therefor'2013 8,113,051'Angular velocity measuring device'2012 D0617906'X-ray production apparatus for inspection tour'2010 7,621,440'Paper sheet identifier device'2009 7,167,247'Paper quality discriminating machine'2007 7,137,735'X-ray equipment with cassette storage box locking means'2006 7,097,355'X-ray equipment with cassette storage box locking means'2006 7,057,483'High-frequency circuit device and high-frequency circuit module'2006 7,038,557'Antenna duplexer and mobile communication device using the same'2006 7,023,959'X-ray diagnostic instrument'2006 6,995,636'In-band-flat-group-delay type dielectric filter and linearized amplifier using the same'2006 6,954,124'High-frequency circuit device and high-frequency circuit module'2005 6,914,395'Electronic ballast for a high-pressure discharge lamp'2005 6,861,812'Discharge lamp ballast with DC-DC converter'2005 6,861,928'Dielectric resonator filter'2005 6,851,853'X-ray device'2005 6,794,959'In-band-flat-group-delay type dielectric filter and linearized amplifier using the same'2004 6,771,146'Dielectric resonator filter'2004 6,731,400'Color image processing apparatus which performs different image processings depending on region of color image'2004 6,721,465'Non-contact image reader and system using the same'2004 6,719,435'Dc-Dc converter with reduced input current ripples'2004 6,707,353'Dielectric filter'2004 6,700,461'Dielectric resonator filter'2004 6,693,393'Ballast for a discharge lamp'2004 6,642,815'Dielectric resonator filter'2003 6,607,315'Image processing system having image forming apparatus and printer apparatus'2003 6,515,559'In-band-flat-group-delay type dielectric filter and linearized amplifier using the same'2003 6,437,825'Image processing apparatus having plural image processors and apparatus which merges data to be input and output to the image processors'2002 6,414,572'Dielectric resonator having a frequency tuning member spirally engaged with the cavity'2002 6,404,930'Signal processing equipment'2002 6,347,219'Transmission system, transmission/reception system, and local oscillator to be used in the same'2002 6,304,156'Laminated dielectric antenna duplexer and a dielectric filter'2001 6,288,501'Ballast for a discharge lamp'2001 6,281,642'Ballast for a discharge lamp with false deactivation detection'2001 6,276,827'Cassette tray for radiography'2001 6,222,429'Dielectric resonator, dielectric notch filter, and dielectric filter with optimized resonator and cavity dimensions'2001 6,208,088'Method and ballast for starting a discharge lamp'2001 6,193,415'Mobile device for X-ray apparatus'2001 6,191,868'Distributed PWM halftoning unit and printer'2001 6,166,613'Voltage-controlled resonator, method of fabricating the same, method of tuning the same, and mobile communication apparatus'2000 6,111,392'Power source device including a plurality of switching circuit for power conversion with switching elements used in common'2000 6,107,900'Dielectric resonator having a through hole mounting structure'2000 6,108,225'Power device with commonly used switching elements'2000 6,104,147'Pulse generator and discharge lamp lighting device using same'2000 6,072,376'Filter with low-noise amplifier'2000 6,066,921'Discharge lamp lighting device'2000 6,020,799'Laminated dielectric antenna duplexer and a dielectric filter'2000 5,930,127'Power source device'1999 5,812,274'Image signal processing apparatus'1998 5,719,539'Dielectric filter with multiple resonators'1998 5,714,919'Dielectric notch resonator and filter having preadjusted degree of coupling'1998 5,671,128'Power supply apparatus'1997 5,649,031'Image information processor for producing high-quality output image'1997 5,581,950'Weather strip'1996 5,566,253'Method, a device and apparatus for processing values corresponding to measurements of pixels, and a facsimile system and a data processing system'1996 5,555,095'Image signal processing apparatus'1996 5,475,350'Frequency tunable resonator including a varactor'1995 5,450,466'Radiographic apparatus having a C-shaped arm for supporting an x-ray tube and an image receiving unit'1995 5,384,518'Power source device'1995 4,980,660'Antenna sharing apparatus for switchable transmit/receive filters'1990 4,950,442'Method for manufacturing thermoplastic resin racks'1990 4,769,492'Method for production of 2,3,4,5-tetrafluorobenzoic acid'1988 4,723,888'Pump apparatus'1988 4,689,179'Method for production of fluorinated quinones'1987 4,684,734'Method for manufacture or organic fluorine compounds'1987 4,586,877'Electric fuel pump device'1986 4,573,882'Electrically operated fuel pump apparatus'1986 4,572,805'2,3,5,6-Tetrafluorophenyl (meth) acrylates and method for production thereof'1986 4,556,363'Pumping apparatus'1985 4,508,492'Motor driven fuel pump'1985 4,493,620'Electrically operated fuel pump device'1985 4,492,515'Pump apparatus'1985 4,488,700'Motor support apparatus'1984 4,478,550'Pump apparatus'1984 4,451,213'Electrically operated fuel pump device having a regenerative component'1984 4,445,821'Centrifugal pump having means for counterbalancing unbalanced fluid pressure radial forces on rotor'1984 4,407,907'Air electrode'1983 4,403,910'Pump apparatus'1983 4,340,915'Microphone sensitivity-changing apparatus'1982 4,175,273'Apparatus for automatically stopping a cassette tape recorder'1979 4,138,601'Safety device'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2020Based in Osaka, JP· patent location history

1990–2006Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (22)· patent assignee history

1990–2006Based in Nara, JP· patent location history

1995–2005Patents assigned to MATSUSHITA ELECTRIC WORKS LTD (14)· patent assignee history

1995–2020Patents assigned to SHIMADZU CORP (12)· patent assignee history

1995–2013Based in Kadoma, JP· patent location history

1996–2012Patents assigned to HITACHI LTD (12)· patent assignee history

2001–2016Based in Hitachinaka, JP· patent location history

2018–2020Patents assigned to NIDEC TOSOK CORP (17)· patent assignee history

2018–2020Based in Zama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	22	1990–2006
NIDEC TOSOK CORP	17	2018–2020
MATSUSHITA ELECTRIC WORKS LTD	14	1995–2005
HITACHI LTD	12	1996–2012
SHIMADZU CORP	12	1995–2020

Locations

Location	Patents	Span
Nara, JP	22	1990–2006
Osaka, JP	15	1986–2020
Kadoma, JP	14	1995–2013
Hitachinaka, JP	13	2001–2016
Zama, JP	12	2018–2020