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last 30 patents
Information
Patent Grant
OFDM receiving circuit having multiple demodulation paths using ove...
Patent number
8,243,579
Issue date
Aug 14, 2012
GCT Semiconductor, Inc.
Seung-Wook Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for measuring IQ imbalance
Patent number
8,229,028
Issue date
Jul 24, 2012
GCT Semiconductor, Inc.
Kyeongho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for measuring in-phase and quadrature (IQ) imbalance
Patent number
8,018,990
Issue date
Sep 13, 2011
GCT Semiconductor, Inc.
Kyeongho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for measuring in-phase and quadrature (IQ) imbalance
Patent number
7,995,645
Issue date
Aug 9, 2011
GCT Semiconductor, Inc.
Kyeongho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Integrated circuit package having inductance loop formed from same-...
Patent number
7,952,442
Issue date
May 31, 2011
GCT Semiconductor, Inc.
Yido Koo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for compensating transmission carrier leakage and transceivi...
Patent number
7,949,324
Issue date
May 24, 2011
GCT Semiconductor, Inc.
Joonbae Park
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio frequency integrated circuit
Patent number
7,945,208
Issue date
May 17, 2011
GCT Semiconductor, Inc.
Joonbae Park
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Receiving circuit and method for compensating IQ mismatch
Patent number
7,925,217
Issue date
Apr 12, 2011
GCT Research, Inc.
Joonbae Park
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Tranceiver circuit for compensating IQ mismatch and carrier leakage...
Patent number
7,831,215
Issue date
Nov 9, 2010
GCT Research, Inc.
Joonbae Park
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Low noise amplifier having improved linearity
Patent number
7,812,672
Issue date
Oct 12, 2010
GCT Semiconductor, Inc.
Seung-Wook Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Integrated circuit package having an inductance loop formed from a...
Patent number
7,768,097
Issue date
Aug 3, 2010
GCT Semiconductor, Inc.
Yido Koo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Frequency synthesizer using two phase locked loops
Patent number
7,560,960
Issue date
Jul 14, 2009
GCT Semiconductor, Inc.
Joonbae Park
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Sigma-delta based phase lock loop
Patent number
7,535,977
Issue date
May 19, 2009
GCT Semiconductor, Inc.
Yido Koo
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method for compensating for gain ripple and group delay characteris...
Patent number
7,515,662
Issue date
Apr 7, 2009
GCT Semiconductor, Inc.
Joonbae Park
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for tuning a frequency generator using an LC osci...
Patent number
7,512,390
Issue date
Mar 31, 2009
GCT Semiconductor, Inc.
Kang Yoon Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Clock generator and clock generating method using delay locked loop
Patent number
7,436,265
Issue date
Oct 14, 2008
GCT Semiconductor, Inc.
Joonbae Park
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Highly linear variable gain amplifier
Patent number
7,202,741
Issue date
Apr 10, 2007
GCT Semiconductor, Inc.
Joonbae Park
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Apparatus and method of oscillating wideband frequency
Patent number
7,190,236
Issue date
Mar 13, 2007
GCT Semiconductor Inc.
Kyeongho Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Automatic gain control loop apparatus
Patent number
7,035,351
Issue date
Apr 25, 2006
GCT Semiconductor, Inc.
Joonbae Park
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adaptive linearization technique for communication building block
Patent number
7,002,410
Issue date
Feb 21, 2006
GCT Semiconductor, Inc.
Hei-sam Jeong
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
System and method for filtering signals in a transceiver
Patent number
7,003,265
Issue date
Feb 21, 2006
GCT Semiconductor, Inc.
Young-Deuk Jeon
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Zero-delay buffer circuit for a spread spectrum clock system and me...
Patent number
6,993,109
Issue date
Jan 31, 2006
AnaPass Inc.
Kyeongho Lee
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Communication transmitter using offset phase-locked-loop
Patent number
6,963,620
Issue date
Nov 8, 2005
GCT Semiconductor, Inc.
Kang-Yoon Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
System and method for suppressing noise in a phase-locked loop circuit
Patent number
6,952,125
Issue date
Oct 4, 2005
GCT Semiconductor, Inc.
Youngho Ahn
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
RF front end with reduced carrier leakage
Patent number
6,850,748
Issue date
Feb 1, 2005
GCT Semiconductor, Inc.
Eunseok Song
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Single chip CMOS transmitter/receiver and method of using same
Patent number
6,781,424
Issue date
Aug 24, 2004
GCT Semiconductor, Inc.
Kyeongho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Zero-delay buffer circuit for a spread spectrum clock system and me...
Patent number
6,731,667
Issue date
May 4, 2004
AnaPass Inc.
Kyeongho Lee
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Sample and hold type fractional-N frequency synthesizer
Patent number
6,704,383
Issue date
Mar 9, 2004
GCT Semiconductor, Inc.
Jeongwoo Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Fractional-N frequency synthesizer with fractional compensation method
Patent number
6,553,089
Issue date
Apr 22, 2003
GCT Semiconductor, Inc.
Hyungki Huh
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Automatic gain control method for highly integrated communication r...
Patent number
6,498,927
Issue date
Dec 24, 2002
GCT Semiconductor, Inc.
Suwon Kang
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
APPARATUS FOR MEASURING IQ IMBALANCE
Publication number
20090028231
Publication date
Jan 29, 2009
Kyeongho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OFDM receiving circuit having multiple demodulation paths using ove...
Publication number
20080253277
Publication date
Oct 16, 2008
Seung Wook Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OFDM receiving circuit having multiple demodulation paths
Publication number
20080253470
Publication date
Oct 16, 2008
Seung Wook Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Low noise amplifier having improved linearity
Publication number
20080252377
Publication date
Oct 16, 2008
Seung-Wook Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
APPARATUS FOR MEASURING IQ IMBALANCE
Publication number
20080212662
Publication date
Sep 4, 2008
Kyeongho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS FOR MEASURING IQ IMBALANCE
Publication number
20080205502
Publication date
Aug 28, 2008
Kyeongho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Frequency synthesizer using two phase locked loops
Publication number
20080197891
Publication date
Aug 21, 2008
Joonbae Park
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Radio frequency integrated circuit
Publication number
20080161073
Publication date
Jul 3, 2008
Joonbae Park
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method for compensating transmission carrier leakage and transceivi...
Publication number
20080139161
Publication date
Jun 12, 2008
Joonbae Park
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Clock generator and clock generating method using delay locked loop
Publication number
20070226531
Publication date
Sep 27, 2007
Joonbae Park
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Serial interface circuit and apparatus including serial interface c...
Publication number
20070222650
Publication date
Sep 27, 2007
Joonbae Park
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method for compensating for gain ripple and group delay characteris...
Publication number
20070204315
Publication date
Aug 30, 2007
Joonbae Park
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Receiving circuit and method for compensating IQ mismatch
Publication number
20070202825
Publication date
Aug 30, 2007
Joonbae Park
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Tranceiver circuit for compensating IQ mismatch and carrier leakage...
Publication number
20070202812
Publication date
Aug 30, 2007
Joonbae Park
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Integrated wireless receiver and a wireless receiving method thereof
Publication number
20070015479
Publication date
Jan 18, 2007
Joonbae Park
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Apparatus and method of oscillating wideband frequency
Publication number
20060152290
Publication date
Jul 13, 2006
Kyeongho Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Integrated circuit package having inductance loop formed from same-...
Publication number
20060081973
Publication date
Apr 20, 2006
GCTS Semiconductor, Inc.
Yido Koo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Sigma-delta based phase lock loop
Publication number
20060068737
Publication date
Mar 30, 2006
GCT Semiconductor, Inc.
Yido Koo
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Highly linear variable gain amplifier
Publication number
20060001489
Publication date
Jan 5, 2006
Joonbae Park
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
System and method for tuning a frequency generator using an LC osci...
Publication number
20060003720
Publication date
Jan 5, 2006
Kang Yoon Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Integrated circuit package having inductance loop formed from a bri...
Publication number
20050045988
Publication date
Mar 3, 2005
GCT Semiconductor, Inc.
Yido Koo
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
System and method for filtering signals in a transceiver
Publication number
20050048928
Publication date
Mar 3, 2005
Young-Deuk Jeon
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Integrated circuit package having inductance loop formed from same-...
Publication number
20050045987
Publication date
Mar 3, 2005
GCT Semiconductor, Inc.
Yido Koo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Integrated circuit package having an inductance loop formed from a...
Publication number
20050045986
Publication date
Mar 3, 2005
GCT Semiconductor, Inc.
Yido Koo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
System and method for suppressing noise in a phase-locked loop circuit
Publication number
20040085103
Publication date
May 6, 2004
GCT Semiconductor, Inc.
Youngho Ahn
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Communication transmitter using offset phase-locked-loop
Publication number
20040086057
Publication date
May 6, 2004
GCT Semiconductor, Inc.
Kang-Yoon Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Radio receiver and method for AM suppression and DC-offset removal
Publication number
20040087296
Publication date
May 6, 2004
GCT Semiconductor, Inc.
Joonbae Park
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RF front end with reduced carrier leakage
Publication number
20040023624
Publication date
Feb 5, 2004
GCT Semiconductor, Inc.
Eunseok Song
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Zero-delay buffer circuit for a spread spectrum clock system and me...
Publication number
20030169086
Publication date
Sep 11, 2003
Kyoengho LEE
Kyeongho Lee
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Single chip CMOS transmitter/receiver and method of using same
Publication number
20030020521
Publication date
Jan 30, 2003
GCT Semiconductor, Inc.
Kyeongho Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE