Inventor
LEE KWANG DU
KR33 patents
⚠️ This page may combine multiple inventors who share the name “LEE KWANG DU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRO MECH
15 patentsUS7714662B2May 11, 2010
Multiband output impedance matching circuit having passive devices, amplifier including multiband input impedance matching circuit having passive devices, and amplifier including multiband input/output impedance matching circuit having passive devices
SAMSUNG ELECTRO MECH21 citations92
US7777589B2Aug 17, 2010
Balun transformer
SAMSUNG ELECTRO MECH10 citations83
US9176551B2Nov 3, 2015
Wireless power transmission apparatus and method of transmitting wireless power using the same
SAMSUNG ELECTRO MECH4 citations73
US9843298B2Dec 12, 2017
Power amplifier and method of controlling output of power amplifier
SAMSUNG ELECTRO MECH2 citations72
US7954079B2May 31, 2011
Method for compensating performance degradation of RFIC using EM simulation
SAMSUNG ELECTRO MECH6 citations62
US9124353B2Sep 1, 2015
Switching circuit and RF switch including the same
SAMSUNG ELECTRO MECH2 citations61
US7405600B2Jul 29, 2008
Current mode logic-CMOS converter
SAMSUNG ELECTRO MECH2 citations60
US11431298B2Aug 30, 2022
Power amplifier with bias current generating and bias current limiting apparatus
SAMSUNG ELECTRO MECH0 citations59
US9093856B2Jul 28, 2015
Display device and display system incorporating wired and wireless charging apparatuses
SAMSUNG ELECTRO MECH3 citations59
US7945045B2May 17, 2011
Device and method for generating chaotic signal
SAMSUNG ELECTRO MECH2 citations58
US7463103B2Dec 9, 2008
Chaotic signal generator for ultra wide band communication system
SAMSUNG ELECTRO MECH3 citations57
US9735745B2Aug 15, 2017
Power amplifier and method for limiting current in power amplifier
SAMSUNG ELECTRO MECH0 citations51
US9577583B2Feb 21, 2017
Power amplifier
SAMSUNG ELECTRO MECH0 citations51
US7557649B2Jul 7, 2009
DC offset cancellation circuit and programmable gain amplifier using the same
SAMSUNG ELECTRO MECH0 citations51
US9419464B2Aug 16, 2016
Wireless charging system
SAMSUNG ELECTRO MECH0 citations41
SAMSUNG ELECTRONICS CO LTD
7 patentsUS7205876B2Apr 17, 2007
Inductor for radio frequency integrated circuit
SAMSUNG ELECTRONICS CO LTD21 citations92
US7525407B2Apr 28, 2009
Integrated circuit having integrated inductors
SAMSUNG ELECTRONICS CO LTD17 citations83
US6972628B2Dec 6, 2005
Integratable, voltage-controlled RF power amplifier
SAMSUNG ELECTRONICS CO LTD16 citations83
US7893786B2Feb 22, 2011
Parallel-structured switched variable inductor circuit
SAMSUNG ELECTRONICS CO LTD2 citations62
US7199669B2Apr 3, 2007
Dual gate cascade amplifier
SAMSUNG ELECTRONICS CO LTD2 citations62
US7414505B2Aug 19, 2008
High frequency inductor having low inductance and low inductance variation and method of manufacturing the same
SAMSUNG ELECTRONICS CO LTD1 citations52
US7148747B2Dec 12, 2006
Apparatus for automatically controlling a gain of a power amplifier and associated methods
SAMSUNG ELECTRONICS CO LTD1 citations52
LEE KWANG DU
5 patentsUS8803365B2Aug 12, 2014
Wireless power transmission/reception apparatus and method
LEE KWANG DU14 citations82
US8633615B2Jan 21, 2014
Wireless power transmission/reception apparatus and method
LEE KWANG DU11 citations82
US9099878B2Aug 4, 2015
Wireless power transmitter and wireless power transceiver
LEE KWANG DU4 citations72
US8981713B2Mar 17, 2015
Charging apparatus using pad type electrode contact point
LEE KWANG DU4 citations72
US8760006B2Jun 24, 2014
Wireless power transmission/reception apparatus and method having communication function
LEE KWANG DU4 citations71
CHOI JAE WON
3 patentsUS8319473B2Nov 27, 2012
Wireless energy transmission structure
CHOI JAE WON39 citations93
US8598744B2Dec 3, 2013
Apparatus for transmitting and receiving wireless energy using meta-material structures having negative refractive index
CHOI JAE WON5 citations72
US8339325B2Dec 25, 2012
Wireless energy transmission structure
CHOI JAE WON2 citations60