Lee; Kwang Du

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lee; Kwang Du.The latest application filed is for "power amplifier with bias current generating and bias current limiting apparatus".

Company Profile

0.41.53

Lee; Kwang Du - Suwon-si KR
Lee; Kwang Du - Jeollanam-do N/A KR
Lee; Kwang Du - Gyunggi-do KR
LEE; Kwang Du - Yongin-si KR
Lee; Kwang Du - Suwon KR
Lee; Kwang Du - Gyeonggi-do KR
LEE; Kwang Du - Damyang-gun KR
Lee; Kwang Du - Damyang KR
Lee; Kwang Du - Jeonlanam-Do KR
Lee; Kwang Du - Cheonlanam-do KR
Lee; Kwang-du - Seoul KR
Lee; Kwang Du - Jeollanam KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Power amplifier with bias current generating and bias current limiting apparatus Grant 11,431,298 - Ha , et al. August 30, 2	2022-08-30
Power Amplifier With Bias Current Generating And Bias Current Limiting Apparatus App 20210367562 - HA; Jong Ok ; et al.	2021-11-25
Power amplifier and method of controlling output of power amplifier Grant 9,843,298 - Nam , et al. December 12, 2	2017-12-12
Power amplifier and method for limiting current in power amplifier Grant 9,735,745 - Lee , et al. August 15, 2	2017-08-15
Power amplifier Grant 9,577,583 - Lee , et al. February 21, 2	2017-02-21
Wireless power transmission apparatus and transmission method thereof Grant 9,509,374 - Kim , et al. November 29, 2	2016-11-29
Power Amplifier And Method For Limiting Current In Power Amplifier App 20160322940 - LEE; Kwang Du ; et al.	2016-11-03
Power Amplifier And Method Of Controlling Output Of Power Amplifier App 20160276980 - NAM; Joong Jin ; et al.	2016-09-22
Wireless charging system Grant 9,419,464 - Lee , et al. August 16, 2	2016-08-16
Wireless power transmission apparatus and method of transmitting wireless power using the same Grant 9,176,551 - Min , et al. November 3, 2	2015-11-03
Switching circuit and RF switch including the same Grant 9,124,353 - Kang , et al. September 1, 2	2015-09-01
Wireless power transmitter and wireless power transceiver Grant 9,099,878 - Lee , et al. August 4, 2	2015-08-04
Display device and display system incorporating wired and wireless charging apparatuses Grant 9,093,856 - Han , et al. July 28, 2	2015-07-28
Power Amplifying Apparatus App 20150188501 - CHOI; Jae Hyouck ; et al.	2015-07-02
Switching Circuit And Rf Switch Including The Same App 20150188600 - KANG; Suk Chan ; et al.	2015-07-02
Power Amplifier App 20150145606 - LEE; Kwang Du ; et al.	2015-05-28
Charging apparatus using pad type electrode contact point Grant 8,981,713 - Lee , et al. March 17, 2	2015-03-17
Wireless Power Transmission/reception Apparatus And Method App 20140333147 - LEE; Kwang Du ; et al.	2014-11-13
Wireless power transmission/reception apparatus and method Grant 8,803,365 - Lee , et al. August 12, 2	2014-08-12
Apparatus for transmitting and receiving wireless energy using meta-material structures having zero refractive index Grant 8,779,629 - Kim , et al. July 15, 2	2014-07-15
Wireless power transmission/reception apparatus and method having communication function Grant 8,760,006 - Lee , et al. June 24, 2	2014-06-24
Wireless Power Transmission/reception Apparatus And Method App 20140111156 - LEE; Kwang Du ; et al.	2014-04-24
Wireless Power Transmission/reception Apparatus And Method App 20140111031 - LEE; Kwang Du ; et al.	2014-04-24
Wireless power transmission/reception apparatus and method Grant 8,633,615 - Lee , et al. January 21, 2	2014-01-21
Apparatus for transmitting and receiving wireless energy using meta-material structures having negative refractive index Grant 8,598,744 - Choi , et al. December 3, 2	2013-12-03
Apparatus And Method For Transmitting Wireless Power App 20130181664 - Min; Jun Ki ; et al.	2013-07-18
Display Device And Display System Incorporating Wired And Wireless Charging Apparatuses App 20130113421 - Han; Myeong Woo ; et al.	2013-05-09
Coil Structure For Wireless Charging And Wireless Charging Apparatus Having The Same App 20130099729 - YOON; Jung Ho ; et al.	2013-04-25
Wireless Charging System App 20130082650 - Lee; Hyun Seok ; et al.	2013-04-04
Wireless Power Transmission System App 20130076306 - Lee; Kwang Du ; et al.	2013-03-28
Charging Apparatus Using Pad Type Electrode Contact Point App 20130057202 - Lee; Kwang Du ; et al.	2013-03-07
Wireless energy transmission structure Grant 8,339,325 - Choi , et al. December 25, 2	2012-12-25
Wireless energy transmission structure Grant 8,319,473 - Choi , et al. November 27, 2	2012-11-27
Apparatus And Method For Charging Wireline And Wireless Powers App 20120280648 - Hwang; Sang Hoon ; et al.	2012-11-08
Wireless Power Transmitter And Wireless Power Transceiver App 20120242158 - LEE; Kwang Du ; et al.	2012-09-27
Wireless Power Transfer App 20120217926 - Yoon; Jung Ho ; et al.	2012-08-30
Wireless Power Transmission/reception Apparatus And Method App 20120146425 - Lee; Kwang Du ; et al.	2012-06-14
Wireless Power Transmission Apparatus And Transmission Method Thereof App 20120038220 - Kim; Jeong Hoon ; et al.	2012-02-16
Parallel-structured switched variable inductor circuit Grant 8,102,218 - Eo , et al. January 24, 2	2012-01-24
Apparatus For Transmitting And Receiving Wireless Energy Using Meta-material Structures Having Zero Refractive Index App 20110266879 - Kim; Hyoung Jun ; et al.	2011-11-03
Apparatus For Transmitting And Receiving Wireless Energy Using Meta-material Structures Having Negative Refractive Index App 20110267247 - CHOI; Jae Won ; et al.	2011-11-03
Wireless Energy Transmission Structure App 20110241609 - CHOI; Jae Won ; et al.	2011-10-06
Wireless Energy Transmission Structure App 20110193415 - CHOI; Jae Won ; et al.	2011-08-11
Method for compensating performance degradation of RFIC using EM simulation Grant 7,954,079 - Kim , et al. May 31, 2	2011-05-31
Device and method for generating chaotic signal Grant 7,945,045 - Kim , et al. May 17, 2	2011-05-17
Wireless Power Transmission/reception Apparatus And Method App 20110080051 - LEE; Kwang Du ; et al.	2011-04-07
Wireless Power Transmission/reception Apparatus And Method Having Communication Function App 20110081857 - LEE; Kwang Du ; et al.	2011-04-07
Parallel-structured switched variable inductor circuit Grant 7,893,786 - Eo , et al. February 22, 2	2011-02-22
Balun transformer Grant 7,777,589 - Lee , et al. August 17, 2	2010-08-17
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 Grant 7,714,662 - Jeong , et al. May 11, 2	2010-05-11
DC offset cancellation circuit and programmable gain amplifier using the same Grant 7,557,649 - Park , et al. July 7, 2	2009-07-07
Integrated circuit having integrated inductors Grant 7,525,407 - Lee , et al. April 28, 2	2009-04-28
Parallel-structured Switched Variable Inductor Circuit App 20090102572 - EO; Yun-seong ; et al.	2009-04-23
Variable Inductance Applying Device Using Variable Capacitor and Variable Frequency Generating Device Thereof App 20090096557 - Eo; Yun-seong ; et al.	2009-04-16
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 App 20090085670 - JEONG; Moon Suk ; et al.	2009-04-02
Ultra-wide Band Pulse Signal Generator App 20090072876 - KIM; Yu Sin ; et al.	2009-03-19
Balun Transformer App 20090039977 - LEE; Kwang Du ; et al.	2009-02-12
Spiral Inductor App 20080303622 - PARK; Sang Gyu ; et al.	2008-12-11
Chaotic signal generator for ultra wide band communication system Grant 7,463,103 - Lee , et al. December 9, 2	2008-12-09
High frequency inductor having low inductance and low inductance variation and method of manufacturing the same Grant 7,414,505 - Woo , et al. August 19, 2	2008-08-19
Current mode logic-CMOS converter Grant 7,405,600 - Kim , et al. July 29, 2	2008-07-29
Method For Compensating Performance Degradation Of Rfic Using Em Simulation App 20080134112 - Kim; Yu Sin ; et al.	2008-06-05
Device and method for generating chaotic signal App 20080069349 - Kim; Yu Sin ; et al.	2008-03-20
Current Mode Logic-cmos Converter App 20080036496 - KIM; Yu Sin ; et al.	2008-02-14
Dual-system transmitting and receiving device App 20080008271 - Lee; Kwang Du ; et al.	2008-01-10
Chaotic Signal Transmitter App 20070223700 - LEE; Kwang Du ; et al.	2007-09-27
Dc Offset Cancellation Circuit And Programmable Gain Amplifier Using The Same App 20070216476 - Park; Sang Gyu ; et al.	2007-09-20
Chaotic Wireless Communication Apparatus For Location Awareness Using Spreading Spectrum Technology App 20070195860 - YANG; Chang Soo ; et al.	2007-08-23
Transmitter Using Chaotic Signal App 20070121944 - LEE; Kwang Du ; et al.	2007-05-31
Inductor for radio frequency integrated circuit Grant 7,205,876 - Lee , et al. April 17, 2	2007-04-17
Location Awareness System Using Rfid And Wireless Connectivity Apparatus For Location Awareness System Used Therein App 20070075873 - Yang; Chang Soo ; et al.	2007-04-05
Dual gate cascade amplifier Grant 7,199,669 - Jung , et al. April 3, 2	2007-04-03
Chaotic Signal Generator For Ultra Wide Band Communication System App 20070008742 - LEE; KWANG DU ; et al.	2007-01-11
Apparatus for automatically controlling a gain of a power amplifier and associated methods Grant 7,148,747 - Lee December 12, 2	2006-12-12
MIM capacitor including ground shield layer App 20060197133 - Jung; Sung-jae ; et al.	2006-09-07
Variable inductance applying device using variable capacitor and variable frequency generating device thereof App 20060197622 - Eo; Yun-seong ; et al.	2006-09-07
Integrated circuit having integrated inductors App 20060181386 - Lee; Kwang-du ; et al.	2006-08-17
Parallel-structured switched variable inductor circuit App 20060181363 - Eo; Yun-seong ; et al.	2006-08-17
Integratable, voltage-controlled RF power amplifier Grant 6,972,628 - Eo , et al. December 6, 2	2005-12-06
Dual gate cascade amplifier App 20050073366 - Jung, Sung-jae ; et al.	2005-04-07
Apparatus for automatically controlling a gain of a power amplifier and associated methods App 20050073359 - Lee, Kwang-du	2005-04-07
Integratable, voltage-controlled RF power amplifier App 20040232989 - Eo, Yun-Seong ; et al.	2004-11-25
High frequency inductor having low inductance and low inductance variation and method of manufacturing the same App 20040227610 - Woo, Sang-Hyun ; et al.	2004-11-18
Inductor for radio frequency integrated circuit App 20040119574 - Lee, Kwang-du ; et al.	2004-06-24

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