Inventor

Hiroki Kikuchi

Inventor

Kyoto, JP

Overview

1996–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 65 as inventor

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

H02Mprimary

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 systems18%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications18%

G02BOptical elements, systems or apparatus10%

H04NPictorial communication, e.g. television7%

G09GArrangements or circuits for control of indicating devices using static means to present variable information5%

G05FSystems for regulating electric or magnetic variables5%

H05BElectric heating4%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them3%

B25JManipulators2%

PatentTitleYear

10,770,982Isolated synchronous rectifying DC/DC converter2020 10,566,910Isolated synchronous rectifying DC/DC converter2020 10,554,038Insulated synchronous rectification type DC/DC converter, and power adaptor and electronic device2020 10,483,863Isolated synchronous rectification-type DC/DC converter2019 10,389,255Insulated synchronous rectification DC/DC converter2019 10,381,940Rectifier IC and isolated switching power supply using same2019 10,348,212Synchronous rectification controller including synchronous rectification transistor for insulated synchronous rectification DC/DC converter2019 10,333,415Insulated synchronous rectification DC/DC converter including synchronous rectification controller controlling synchronous rectification transistor2019 10,293,493Male member and tool changer2019 10,277,133Isolated DC/DC converter, primary side controller, power adapter, and electronic device2019 10,218,283Insulated synchronous rectification DC/DC converter2019 10,193,471Insulated DC/DC converter, and power adaptor and electronic device using the same2019 10,079,547Insulating synchronous rectifying DC/DC converter, synchronous rectifying controller, power supply using the same, power adapter and electronic device, and control method of synchronous rectifying controller2018 10,075,081Insulated synchronous rectification DC/DC converter2018 10,075,084Isolated synchronous rectification-type DC/DC converter2018 10,033,289Insulated synchronous rectification DC/DC converter including capacitor and auxiliary power supply2018 D0822727Engaging member for tool changer2018 9,998,015Insulated synchronous rectification DC/DC converter including a protection circuit to judge occurrence of a switching-incapable state2018 9,991,809Insulation-type synchronous DC/DC converter2018 9,985,547Insulation-type synchronous DC/DC converter2018 9,948,196Insulation-type synchronous DC/DC converter2018 9,941,802Insulated DC/DC converter2018 9,925,673'Power supplying module'2018 9,742,299'Insulated synchronous rectification DC/DC converter'2017 9,699,440'Image processing device, image processing method, non-transitory tangible medium having image processing program, and image-pickup device'2017 9,627,791'Connector apparatus'2017 9,531,277'Switching converter, control circuit thereof, AC/DC converter, power adapter and electronic device'2016 9,438,128'Insulation-type synchronous DC/DC converter'2016 9,244,102'Comparator, oscillator using the same, dc/dc converter, control circuit thereof, and electronic apparatus'2016 9,177,508'Light emitting apparatus'2015 9,172,944'Image processing device, image processing method, non-transitory tangible medium having image processing program, and image-pickup device'2015 9,089,023'Driving circuit of light emitting element, and light emitting device and electronic apparatus including the light emitting element'2015 8,933,998'Three-dimensional image display device, method of manufacturing the same, and three-dimensional image display method'2015 8,854,439'Stereoscopic picture display, method of manufacturing the same and stereoscopic picture display method'2014 8,829,547'Light emitting device and display apparatus with light-focusing lens'2014 8,820,977'Light emitting device and display apparatus'2014 8,787,005'Display apparatus'2014 8,749,219'Current generating circuit'2014 8,695,246'Display apparatus'2014 8,653,742'Control circuit of switching power supply for driving light emitting elements, and light emitting device and electronic apparatus using the same'2014 8,653,754'Current driving circuit'2014 8,624,828'Control circuit for switching power supply'2014 8,598,800'Control circuit for switching power supply'2013 8,539,701'Display apparatus'2013 8,120,344'Power supply unit and portable device'2012 7,688,506'Screen and image projection apparatus'2010 7,635,969'Power supply unit and portable device'2009 7,626,371'Power supply unit and portable device'2009 7,433,126'Illuminating optical device in image display device and image display device'2008 7,072,097'Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatus'2006 7,042,627'Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatus'2006 7,012,791'Constant-voltage power supply unit'2006 6,999,229'Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatus'2006 6,992,812'Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatus'2006 6,987,606'Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatus'2006 6,897,992'Illuminating optical unit in image display unit, and image display unit'2005 6,801,650'Mechanism and method for controlling focal point position of UV light and apparatus and method for inspection'2004 6,541,747'Focal mechanism and method for controlling focal point position, and apparatus and method for inspecting semiconductor wafer'2003 6,128,030'Semiconductor exposure device'2000 5,991,316'Laser light emitting device, laser beacon device and laser imager display device'1999 5,832,009'Laser light emitting device, laser beacon device and laser imager display device'1998 5,760,408'Semiconductor exposure device'1998 5,621,744'Continuous-wave ultraviolet laser light generating apparatus'1997 5,596,244'Composite electronic component and method of manufacturing the same'1997 5,526,169'Electro-optical modulator'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2017Patents assigned to SONY CORP (25)· patent assignee history

1996–2017Based in Kanagawa, JP· patent location history

1997–2000Based in Tokyo, JP· patent location history

2006–2020Patents assigned to ROHM CO LTD (35)· patent assignee history

2006–2020Based in Kyoto, JP· patent location history

2012–2015Patents assigned to KIKUCHI HIROKI (13)· patent assignee history

2013–2015Patents assigned to ITO KATSUHISA (6)· patent assignee history

2013–2015Patents assigned to KOBAYASHI IZUSHI (6)· patent assignee history

2017–2019Based in Yamatokoriyama, JP· patent location history

2018–2019Based in Ukyo-Ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ROHM CO LTD	35	2006–2020
SONY CORP	25	1996–2017
KIKUCHI HIROKIself	13	2012–2015
ITO KATSUHISA	6	2013–2015
KOBAYASHI IZUSHI	6	2013–2015

Locations

Location	Patents	Span
Kyoto, JP	32	2006–2020
Kanagawa, JP	20	1996–2017
Tokyo, JP	5	1997–2000
Ukyo-Ku, JP	3	2018–2019
Yamatokoriyama, JP	3	2017–2019