Inventor
MATSUURA KEN
JP30 patents
⚠️ This page may combine multiple inventors who share the name “MATSUURA KEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
29 patentsUS10476392B1Nov 12, 2019
Switching power supply device comparing first and second voltage ranges
TDK CORP31 citations94
US7132818B2Nov 7, 2006
Switching power supply control device and switching power supply
TDK CORP36 citations92
US7075278B2Jul 11, 2006
Switching power supply controller and switching power supply
TDK CORP20 citations92
US6960904B2Nov 1, 2005
Switching power supply controller and switching power supply
TDK CORP21 citations92
US6956360B2Oct 18, 2005
Switching power supply controller and switching power supply
TDK CORP23 citations92
US7078884B2Jul 18, 2006
Power supply apparatus and control circuit therefor
TDK CORP11 citations83
US10574135B2Feb 25, 2020
Zero current detection circuit for bridgeless totem pole power factor correction converter and bridgeless totem pole power factor correction converter
TDK CORP2 citations73
US10511219B2Dec 17, 2019
Switching power supply with a measuring and calculating process for the switching times
TDK CORP3 citations73
US10186962B2Jan 22, 2019
Control circuit and switching power supply
TDK CORP3 citations73
US9960673B2May 1, 2018
Control circuit and switching power supply
TDK CORP5 citations73
US9960683B2May 1, 2018
Electronic circuit device
TDK CORP2 citations73
US7327100B2Feb 5, 2008
Discharge lamp lighting apparatus
TDK CORP7 citations73
US6717390B2Apr 6, 2004
Switching power supply
TDK CORP7 citations73
US6683798B2Jan 27, 2004
Switching power supply with transfer function control circuit
TDK CORP11 citations73
US10263537B2Apr 16, 2019
DC/AC power conversion apparatus having switchable current paths
TDK CORP1 citations62
US7202611B2Apr 10, 2007
Discharge lamp lighting device
TDK CORP3 citations62
US7071666B2Jul 4, 2006
Switching power supply, and method and circuit for regulating output of the same
TDK CORP2 citations62
US9118251B2Aug 25, 2015
Power supply device
TDK CORP2 citations60
US9425694B2Aug 23, 2016
Current resonance type DC-DC converter and method for operating current resonance type DC-DC converter
TDK CORP2 citations59
US12506400B2Dec 23, 2025
Magnetic component, power conversion apparatus, and power conversion system
TDK CORP0 citations52
US10110132B2Oct 23, 2018
Switching power supply device
TDK CORP1 citations52
US10630277B2Apr 21, 2020
FET driving circuit
TDK CORP0 citations42
US10505462B2Dec 10, 2019
Power converter
TDK CORP0 citations42
US10498325B2Dec 3, 2019
FET driving circuit
TDK CORP0 citations42
US10432110B2Oct 1, 2019
Power converter having resonant frequencies around two and four times the switching frequency
TDK CORP0 citations42
US10734886B2Aug 4, 2020
Switching power supply device
TDK CORP0 citations41
US10312738B2Jun 4, 2019
Wireless power transmission system
TDK CORP0 citations39
US9564803B1Feb 7, 2017
Control circuit and switching power supply unit
TDK CORP0 citations31
US9450497B2Sep 20, 2016
Current resonance DC-DC converter
TDK CORP0 citations31