Inventor
UEMATSU TAKESHI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “UEMATSU TAKESHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
12 patentsUS6791305B2Sep 14, 2004
Switching power supply control circuit and switching power supply using same
TDK CORP81 citations97
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
US7218059B2May 15, 2007
Discharge-lamp control device
TDK CORP16 citations83
US7078884B2Jul 18, 2006
Power supply apparatus and control circuit therefor
TDK CORP11 citations83
US7362601B2Apr 22, 2008
Power supply device
TDK CORP8 citations73
US7002324B2Feb 21, 2006
Switching power supply control circuit and switching power supply using same
TDK CORP8 citations73
US7071666B2Jul 4, 2006
Switching power supply, and method and circuit for regulating output of the same
TDK CORP2 citations62
US6838784B2Jan 4, 2005
Control circuit for switching power supply device and switching power supply device used therewith
TDK CORP2 citations62
US7405952B2Jul 29, 2008
Power supply device
TDK CORP1 citations52
US7330359B2Feb 12, 2008
Power supply unit
TDK CORP2 citations52
OMRON TATEISI ELECTRONICS CO
8 patentsUS11515731B2Nov 29, 2022
Contactless power transmission system for transmitting power from power transmitter apparatus to power receiver apparatus, and detecting foreign object
OMRON TATEISI ELECTRONICS CO2 citations71
US11309741B2Apr 19, 2022
Resonance oscillator circuit and contactless power supply system
OMRON TATEISI ELECTRONICS CO2 citations69
US12184082B2Dec 31, 2024
Contactless power transmission system capable of controlling power transmitter apparatus to stably supply load device with required power
OMRON TATEISI ELECTRONICS CO2 citations61
US11515799B2Nov 29, 2022
Resonant converter controller circuit for controlling resonant converter converting input DC voltage into DC voltage
OMRON TATEISI ELECTRONICS CO0 citations52
US11329513B2May 10, 2022
Contactless power transmission apparatus
OMRON TATEISI ELECTRONICS CO0 citations52
US12231051B2Feb 18, 2025
Power conversion apparatus having multiple LLC converters and capable of achieving desired output voltage even in changes in load current
OMRON TATEISI ELECTRONICS CO0 citations51
US11515730B2Nov 29, 2022
Contactless power transmission system for transmitting power from power transmitter apparatus to power receiver apparatus, and supplying load device with desired voltage
OMRON TATEISI ELECTRONICS CO0 citations50
US12451731B2Oct 21, 2025
Resonance-type power converter circuit provided with resonance circuit including LC resonance circuit and switching element
OMRON TATEISI ELECTRONICS CO0 citations48