Inventor

Chingchi Chen

Inventor

Ann Arbor, MI, US

Overview

1993–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 73 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 systems17%

B60LPropulsion of electrically-propelled vehicles11%

Y02TClimate change mitigation technologies related to transportation11%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters7%

G01RMeasuring electric variables7%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%

H03KPulse technique5%

H01LSemiconductor devices5%

B60YIndexing scheme relating to aspects cross-cutting vehicle technology4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

PatentTitleYear

10,756,648Inverter system with enhanced common source inductance generated at gate driver2020 10,739,411Power electronic test automation circuit2020 10,741,882Flex lead on cell container for electromagnetic shielding2020 10,705,118Power module testing apparatus2020 10,707,673Protection circuit for oscilloscope measurement channel2020 10,640,003Double-pulse test systems and methods2020 10,622,593Reduction of packaging parasitic inductance in power modules2020 10,622,909Power module for inverter switching devices having gate coils shielded from eddy currents2020 10,527,653Ultra-high bandwidth current shunt2020 10,513,185Electrified vehicle ground fault monitoring system2019 10,439,485DC inverter having reduced switching loss for paralleled phase leg switches2019 10,427,532On-board and wireless vehicle charging systems with shared components2019 10,388,460Low inductance capacitor2019 10,369,891Wireless power transfer system parameter estimation2019 10,361,147Inverter power module lead frame with enhanced common source inductance2019 10,352,968Current shunt2019 10,340,811Inverter switching devices with gate coils to enhance common source inductance2019 10,270,364Power converter with dead-time variation to disperse distortion2019 10,250,115Inverter switching devices with common source inductance layout to avoid shoot-through2019 10,193,544Minimizing ringing in wide band gap semiconductor devices2019 10,189,357Reduced ripple converter for hybrid drive systems2019 10,141,254Direct bonded copper power module with elevated common source inductance2018 10,137,798Busbars for a power module assembly2018 10,122,294Active gate clamping for inverter switching devices with enhanced common source inductance2018 10,122,357Sensorless temperature compensation for power switching devices2018 10,114,041Ground loop reduction apparatus2018 10,116,249Reduced ripple inverter for hybrid drive systems2018 10,099,574Vehicle power module assemblies2018 10,071,652Dual mode IGBT gate drive to reduce switching loss2018 10,071,634Dynamic IGBT gate drive to reduce switching loss2018 10,067,165Isolated differential voltage probe for EMI noise source2018 10,037,977Power electronics system2018 10,011,178DC inverter having reduced switching loss and reduced voltage spikes2018 10,014,794Power inverter assembly for a vehicle2018 9,994,110Dual gate solid state devices to reduce switching loss2018 9,991,880Discrete power switching devices with reduced common source inductance2018 9,960,726Electric drive power converter with low distortion dead-time insertion2018 9,954,409Power supply device2018 9,917,435'Piecewise temperature compensation for power switching devices'2018 9,906,167'Power converter with selective dead-time insertion'2018 9,867,319'Vehicle power module assemblies and manifolds'2018 9,847,734Power-module assembly2017 9,838,002IGBT gate drive during turnoff to reduce switching loss2017 9,825,522'Method and apparatus for coupling cancellation'2017 9,813,009'Active gate clamping for inverter switching devices using grounded gate terminals'2017 9,597,977'Energy conversion system for a vehicle'2017 9,553,540'Power converter with pre-compensation for dead-time insertion'2017 9,470,739'DC link capacitance measurement for electric vehicle drivetrain'2016 9,465,074'System and method for measuring switching loss associated with semiconductor switching devices'2016 9,445,532'Integrated electrical and thermal solution for inverter DC-link capacitor packaging'2016 9,190,896'PWM strategy for reduction of inverter hotspot temperature and overall losses'2015 9,018,796'Energy conversion system for a vehicle'2015 8,766,648'Method and system for determining an operating characteristic associated with an inductor in a power converter system'2014 8,717,788'Method and system for controlling a power converter system connected to a DC-bus capacitor'2014 8,380,451'System and method for monitoring the state of health of a power electronic system'2013 8,232,669'Energy conversion system for a vehicle'2012 8,233,294'Method and system for controlling a power converter system connected to a DC-bus capacitor'2012 8,115,582'Inductor topologies with substantial common-mode and differential-mode inductance'2012 8,004,267'Power converter system for an automotive vehicle and method for configuring same'2011 7,911,792'Direct dipping cooled power module and packaging'2011 7,646,160'Sensor calibration and parameter identification in a multi-phase motor drive'2010 7,606,053'DC-to-DC converter and electric motor drive system using the same'2009 7,557,555'Method to determine an operating characteristic of a vehicle power converter'2009 7,339,345'Power converter topologies for better traction drive packaging'2008 7,145,783'Apparatus reducing radiated emission from electronic modules'2006 6,861,835'Method and system for non-invasive power transistor die voltage measurement'2005 6,483,293'System and method for cancelling the effects of stray magnetic fields from the output of a variable reluctance sensor'2002 6,396,674'System and method for monitoring the operation of a power converter'2002 6,330,143'Automatic over-current protection of transistors'2001 6,297,661'Semiconductor switch fault detection'2001 5,861,775'Signal conditioning circuit for low amplitude, high common mode voltage input signals'1999 5,402,053'Single phase to three phase converter capable of variable speed motor operation'1995 5,272,616'Single phase to three phase power converter for motor loads'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1995Based in Madison, WI, US· patent location history

1999–2002Patents assigned to FORD GLOBAL TECH INC (5)· patent assignee history

1999–2020Based in Ann Arbor, MI, US· patent location history

2006–2020Patents assigned to FORD GLOBAL TECH LLC (64)· patent assignee history

2012–2015Patents assigned to CHEN CHINGCHI (8)· patent assignee history

2012–2015Patents assigned to DEGNER MICHAEL W (5)· patent assignee history

2012–2015Patents assigned to DEGNER MICHAEL (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FORD GLOBAL TECH LLC	64	2006–2020
CHEN CHINGCHIself	8	2012–2015
DEGNER MICHAEL W	5	2012–2015
FORD GLOBAL TECH INC	5	1999–2002
DEGNER MICHAEL	3	2012–2015

Locations

Location	Patents	Span
Ann Arbor, MI, US	71	1999–2020
Madison, WI, US	2	1993–1995