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Inventor

Kenichi Takagi

Inventor
Nagakute-shi, JP

Overview

25→
Patents
1989–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 25 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 applications7%
Y10TTechnical subjects covered by former us classification7%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h105%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling4%
B22CFoundry moulding4%
B22DCasting of metals4%
B60LPropulsion of electrically-propelled vehicles4%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids4%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application4%
PatentTitleYear
10,340,804Power supply circuit including converter and power supply system using the same201910,097,106Power converter201810,020,748Electric power conversion circuit20189,882,491'Power supply system'20189,765,773'Pump having an inner and outer rotor'20179,740,449'Onboard display system'20179,742,296'Isolated DC-DC power conversion circuit system with circulating current reduction'20179,660,543'Electric power conversion circuit system'20179,570,995'Magnetically coupled reactor and power converter'20179,450,499'Electric power conversion circuit system'20169,270,187'Electric power conversion system'20169,209,701'Electric power conversion system'20158,869,874'Manufacturing method for a multi-channel copper tube, and manufacturing apparatus for the tube'20148,851,869'Internal gear pump'20148,773,177'Drive circuit'20148,336,604'Manufacturing method for a multi-channel copper tube, and manufacturing apparatus for the tube'20128,233,868'Radio receiver device'20127,164,455'Device, manufacturing method thereof, and electronic instrument with the device'20077,148,148'Mask forming and removing method, and semiconductor device, an electric circuit, a display module, a color filter and an emissive device manufactured by the same method'20067,098,121'Method of forming a film of predetermined pattern on a surface as well as device manufactured by employing the same, and method of manufacturing device'20067,078,172'Substrate activation kit and method for detecting DNA and the like using the same'20067,070,701'Manufacturing method of fine structure, optical element, integrated circuit, and electronic instrument'20065,238,481'Heat resistant sintered hard alloy'19934,894,546'Hollow cathode ion sources'19904,841,197'Double-chamber ion source'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2007Patents assigned to SEIKO EPSON CORP (4)· patent assignee history
2006Based in Suwa, JP· patent location history
2012–2016Patents assigned to TAKAGI KENICHI (5)· patent assignee history
2012–2014Patents assigned to CTA TECHNOLOGY PROPRIETARY LTD (2)· patent assignee history
2012–2017Based in Nagoya, JP· patent location history
2012–2014Based in Kitamoto, JP· patent location history
2014–2019Patents assigned to TOYOTA CHUO KENKYUSHO KK (4)· patent assignee history
2014–2017Based in Okazaki, JP· patent location history
2015–2018Patents assigned to TOYOTA MOTOR CO LTD (8)· patent assignee history
2016–2019Based in Nagakute-shi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYOTA MOTOR CO LTD82015–2018
TAKAGI KENICHIself52012–2016
SEIKO EPSON CORP42006–2007
TOYOTA CHUO KENKYUSHO KK42014–2019
CTA TECHNOLOGY PROPRIETARY LTD22012–2014
Locations
LocationPatentsSpan
Nagakute-shi, JP82016–2019
Nagoya, JP52012–2017
Okazaki, JP22014–2017
Kitamoto, JP22012–2014
Suwa, JP22006