Inventor

Kenichi Fujimaki

Inventor

Kanagawa, JP

Overview

2001–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 20 as inventor

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

H02Jprimary

H02JElectric power networks27%

H04BTransmission16%

Y02TClimate change mitigation technologies related to transportation13%

B60LPropulsion of electrically-propelled vehicles11%

G01RMeasuring electric variables9%

H01FMagnets9%

G01VGeophysics6%

Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids6%

H04LTransmission of digital information, e.g. telegraphic communication3%

LOC161%

PatentTitleYear

10,819,393Electromagnetically-coupled state detection circuit, power transmission apparatus, contactless power transmission system, and electromagnetically-coupled state detection method2020 10,566,849Wireless power transfer device with foreign object detection, system, and method for performing the same2020 10,567,040Electronic apparatus and transmission system2020 10,298,064Power receiving unit, power feeding control method, and feed system2019 10,199,868Power receiver, non-contact power transmission system, and method of controlling received-power voltage2019 10,020,693Wireless power transfer device with foreign object detection, system, and method for performing the same2018 9,929,605'Wireless power transfer device with foreign object detection, system, and method for performing the same'2018 9,882,437'Power feeding apparatus, power receiving apparatus, power feeding system, and method of controlling power feeding'2018 9,847,814Electronic apparatus and transmission system2017 9,831,688Wireless power receiving apparatus2017 9,806,769'Electromagnetically-coupled state detection circuit, power transmission apparatus, contactless power transmission system, and electromagnetically-coupled state detection method'2017 9,712,001'Power reception apparatus, medium, and method for controlling electrical power supplied to a load of power reception apparatus'2017 9,660,699'Detection apparatus, electric power receiving apparatus, electric power transmission apparatus, wireless electric power transmission system, and detection method'2017 9,530,558'Energy receiver, detection method, power transmission system, detection device, and energy transmitter'2016 9,490,638'Electrical power transmission system and electrical power output device'2016 9,467,205'Detection apparatus, electric power receiving apparatus, electric power transmission apparatus, wireless electric power transmission system, and detection method'2016 9,270,126'Sensing device, power reception device, power transmission device, non-contact power transmission system, and sensing method'2016 9,057,753'Sensing device, power reception device, power transmission device, non-contact power transmission system, and sensing method'2015 8,552,594'Noncontact power feed system, noncontact relay apparatus, noncontract power reception apparatus, and noncontact power feed method'2013 D0450076'Projector'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Based in Tokyo, JP· patent location history

2013–2020Patents assigned to SONY CORP (19)· patent assignee history

2013–2017Patents assigned to FUJIMAKI KENICHI (6)· patent assignee history

2013–2020Based in Kanagawa, JP· patent location history

2015–2017Patents assigned to NAKANO HIROAKI (4)· patent assignee history

2015–2017Patents assigned to MURAKAMI Tomomichi (3)· patent assignee history

2016–2017Patents assigned to FUKUDA SHINICHI (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SONY CORP	19	2013–2020
FUJIMAKI KENICHIself	6	2013–2017
NAKANO HIROAKI	4	2015–2017
FUKUDA SHINICHI	3	2016–2017
MURAKAMI Tomomichi	3	2015–2017

Locations

Location	Patents	Span
Kanagawa, JP	19	2013–2020
Tokyo, JP	1	2001