Inventor
FUNATO HIROKI
JP41 patents
⚠️ This page may combine multiple inventors who share the name “FUNATO HIROKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
21 patentsUS7969735B2Jun 28, 2011
Power converter
HITACHI LTD48 citations98
US7830689B2Nov 9, 2010
Power converter
HITACHI LTD50 citations94
US7978468B2Jul 12, 2011
Power converter
HITACHI LTD20 citations92
US7595650B2Sep 29, 2009
Magnetic field probe apparatus and a method for measuring magnetic field
HITACHI LTD11 citations84
US7315173B2Jan 1, 2008
Method of measuring electric field distribution and electric field distribution measuring instrument
HITACHI LTD17 citations84
US7547987B2Jun 16, 2009
EMI reduced power inverter
HITACHI LTD10 citations82
US10979014B2Apr 13, 2021
Voltage filter and power conversion device
HITACHI LTD3 citations73
US9805147B2Oct 31, 2017
Electromagnetic noise analysis method and device
HITACHI LTD2 citations72
US9210834B2Dec 8, 2015
Power converter
HITACHI LTD3 citations63
US7772856B2Aug 10, 2010
Electromagnetic wave generation source searching method and current probe used therefor
HITACHI LTD4 citations63
US7511485B2Mar 31, 2009
Magnetic field measurement method and system
HITACHI LTD4 citations63
US8049369B2Nov 1, 2011
Power inverter controller and method
HITACHI LTD2 citations62
US7911806B2Mar 22, 2011
Method and apparatus for reducing EMI emissions from a power inverter
HITACHI LTD5 citations59
US9991815B2Jun 5, 2018
Power conversion apparatus
HITACHI LTD0 citations52
US7604484B2Oct 20, 2009
Circuit board including arrangement for measuring current through a junction part or connector of said circuit board
HITACHI LTD0 citations52
US11257616B2Feb 22, 2022
Power conversion device and high-voltage noise filter
HITACHI LTD0 citations51
US9618480B2Apr 11, 2017
Method and apparatus for inspecting weld quality
HITACHI LTD0 citations51
US10160334B2Dec 25, 2018
Power conversion device and machine equipped with power conversion device
HITACHI LTD0 citations50
US9973289B2May 15, 2018
Signal line noise resistance evaluating method and its device
HITACHI LTD0 citations41
US9285411B2Mar 15, 2016
Method and system for identifying an electrical noise propagation path
HITACHI LTD0 citations41
US10099704B2Oct 16, 2018
Electromagnetic noise analyzing apparatus, controlling apparatus and controlling method
HITACHI LTD0 citations40
HITACHI AUTOMOTIVE SYSTEMS LTD
10 patentsUS10003274B2Jun 19, 2018
Power conversion device
HITACHI AUTOMOTIVE SYSTEMS LTD8 citations84
US11881791B2Jan 23, 2024
Electromagnetic shielding power conversion device
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations73
US11456675B2Sep 27, 2022
Filter device and power converter
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations71
US10666132B2May 26, 2020
Electromagnetic interference suppression for vehicle inverter
HITACHI AUTOMOTIVE SYSTEMS LTD1 citations62
US11348735B2May 31, 2022
High voltage filter and power conversion device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations59
US10952311B2Mar 16, 2021
Electronic control device, vehicle, and method for manufacturing electronic control device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations52
US11798749B2Oct 24, 2023
Power converter including filter circuit device to improve a noise suppression function
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations51
US11303223B2Apr 12, 2022
Detector and power conversion apparatus
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations51
US10404159B2Sep 3, 2019
Electrical circuit device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations50
US10103619B2Oct 16, 2018
Electric power conversion device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations50
FUNATO HIROKI
4 patentsUS9065356B2Jun 23, 2015
Electric power converter
FUNATO HIROKI5 citations71
US8085548B2Dec 27, 2011
Circuit for suppressing electromagnetic interference, implementation structure and electronic apparatus implementing the same
FUNATO HIROKI2 citations61
US8089291B2Jan 3, 2012
Electromagnetic wave generation source searching method and current probe used therefor
FUNATO HIROKI0 citations51
US9329207B2May 3, 2016
Surface current probe
FUNATO HIROKI0 citations40