GCT SEMICONDUCTOR, INC

Organization

SAN JOSE, CA, US

Ticker Symbols

NASDAQ:GCTS

SEMICONDUCTORS & RELATED DEVICES
Business Address
2121 RINGWOOD AVENUE SAN JOSE CA 95131 (408) 434-8030
Mailing Address
2121 RINGWOOD AVENUE SAN JOSE CA 95131
State Location
CA
State of Incorporation
DE

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Method of controlling receiver gain automatically and apparatus for...
- Patent number 9,473,186
- Issue date Oct 18, 2016
- GCT Semiconductor, Inc.
- Inho Song
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for interference cancellation in MIMO receiver, method fo...
- Patent number 9,231,632
- Issue date Jan 5, 2016
- GCT Semiconductor, Inc.
- Young-Hwan Kang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver using impedance shaping
- Patent number 9,065,703
- Issue date Jun 23, 2015
- GCT Semiconductor, Inc.
- Yeon-jae Jung
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission method for dual digital signal through single antenna,...
- Patent number 9,014,289
- Issue date Apr 21, 2015
- GCT Semiconductor, Inc.
- Eal Wan Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver for estimating and compensating for in-phase/quadrature mi...
- Patent number 8,583,064
- Issue date Nov 12, 2013
- GCT Semiconductor, Inc.
- Young Hwan Kang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Phase locked loop and method for compensating temperature thereof
- Patent number 7,952,435
- Issue date May 31, 2011
- GCT Semiconductor, Inc.
- Seung-Wook Lee
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Receiver with fast gain control and digital signal processing unit...
- Patent number 7,953,192
- Issue date May 31, 2011
- GCT Semiconductor, Inc.
- Suk Kyun Hong
- H03 - BASIC ELECTRONIC CIRCUITRY
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
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
Bidirectional turbo ISI canceller-based DSSS receiver for high-spee...
- Patent number 7,606,293
- Issue date Oct 20, 2009
- GCT Semiconductor, Inc.
- Byoung-Hoon Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Integrated circuit package having inductance loop formed from a bri...
- Patent number 7,071,535
- Issue date Jul 4, 2006
- GCT Semiconductor, Inc.
- Yido Koo
- H01 - BASIC ELECTRIC ELEMENTS
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
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

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF CONTROLLING RECEIVER GAIN AUTOMATICALLY AND APPARATUS FOR...
- Publication number 20150111513
- Publication date Apr 23, 2015
- GCT Semiconductor, Inc.
- Inho Song
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD OF GENERATING GAIN COMBINATION OF PRE-AMPLIFIER IN TRANSMITT...
- Publication number 20150111509
- Publication date Apr 23, 2015
- GCT Semiconductor, Inc.
- Ei Ho LEE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS FOR INTERFERENCE CANCELLATION IN MIMO RECEIVER, METHOD FO...
- Publication number 20140355708
- Publication date Dec 4, 2014
- GCT Semiconductor, Inc.
- Young-Hwan Kang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION METHOD FOR DUAL DIGITAL SIGNAL THROUGH SINGLE ANTENNA,...
- Publication number 20140226754
- Publication date Aug 14, 2014
- GCT Semiconductor, Inc.
- Eal Wan LEE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEIVER USING IMPEDANCE SHAPING
- Publication number 20140112418
- Publication date Apr 24, 2014
- GCT Semiconductor, Inc.
- Yeon-jae JUNG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
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
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
Bidirectional turbo ISI canceller-based DSSS receiver for high-spee...
- Publication number 20040131109
- Publication date Jul 8, 2004
- GCT Semiconductor, Inc.
- Byoung-Hoon Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
LC oscillator with wide tuning range and low phase noise
- Publication number 20030227340
- Publication date Dec 11, 2003
- GCT Semiconductor, Inc.
- Yido Koo
- H03 - BASIC ELECTRONIC CIRCUITRY
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
Information Patent Application
Variable gain low-noise amplifier for a wireless terminal
- Publication number 20020190796
- Publication date Dec 19, 2002
- GCT Semiconductor, Inc.
- Joonbae Park
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Phase lock loop (PLL) apparatus and method
- Publication number 20020186063
- Publication date Dec 12, 2002
- GCT Semiconductor, Inc.
- Kyeongho Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUTOMATIC GAIN CONTROL METHOD FOR HIGHLY INTEGRATED COMMUNICATION R...
- Publication number 20020142745
- Publication date Oct 3, 2002
- GCT Semiconductor, Inc.
- Suwon Kang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Gm-C tuning circuit with filter configuration
- Publication number 20020135417
- Publication date Sep 26, 2002
- GCT Semiconductor, Inc.
- Kyeongho Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Sample and hold type fractional-N frequency synthesezer
- Publication number 20020136342
- Publication date Sep 26, 2002
- GCT Semiconductor, Inc.
- Jeongwoo Lee
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Fractional-N frequency synthesizer with fractional compensation method
- Publication number 20020136341
- Publication date Sep 26, 2002
- GCT Semiconductor, Inc.
- Hyungki Huh
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Mixer structure and method for using same
- Publication number 20020030529
- Publication date Mar 14, 2002
- GCT Semiconductor, Inc.
- Kyeongho Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Single chip CMOS transmitter/receiver
- Publication number 20010048715
- Publication date Dec 6, 2001
- GCT Semiconductor, Inc.
- Kyeongho Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Trademarklast 30 trademarks

Information Trademark
77186103 - GCT
- Serial number 77186103
- Registration number 3372465
- Filing date May 21, 2007
- GCT Semiconductor, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
78486186 - GCTMOBILITY
- Serial number 78486186
- Registration number 3573919
- Filing date Sep 20, 2004
- GCT Semiconductor, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

GCT SEMICONDUCTOR, INC

Organization

Ticker Symbols

Business Address

Mailing Address

State Location

State of Incorporation

Patents Grantslast 30 patents

Method of controlling receiver gain automatically and apparatus for...

Apparatus for interference cancellation in MIMO receiver, method fo...

Receiver using impedance shaping

Transmission method for dual digital signal through single antenna,...

Receiver for estimating and compensating for in-phase/quadrature mi...

OFDM receiving circuit having multiple demodulation paths using ove...

Apparatus for measuring IQ imbalance

Apparatus for measuring in-phase and quadrature (IQ) imbalance

Apparatus for measuring in-phase and quadrature (IQ) imbalance

Phase locked loop and method for compensating temperature thereof

Receiver with fast gain control and digital signal processing unit...

Integrated circuit package having inductance loop formed from same-...

Method for compensating transmission carrier leakage and transceivi...

Radio frequency integrated circuit

Low noise amplifier having improved linearity

Integrated circuit package having an inductance loop formed from a...

Bidirectional turbo ISI canceller-based DSSS receiver for high-spee...

Frequency synthesizer using two phase locked loops

Sigma-delta based phase lock loop

Method for compensating for gain ripple and group delay characteris...

System and method for tuning a frequency generator using an LC osci...

Clock generator and clock generating method using delay locked loop

Highly linear variable gain amplifier

Apparatus and method of oscillating wideband frequency

Integrated circuit package having inductance loop formed from a bri...

Automatic gain control loop apparatus

Adaptive linearization technique for communication building block

System and method for filtering signals in a transceiver

Communication transmitter using offset phase-locked-loop

System and method for suppressing noise in a phase-locked loop circuit

Patents Applicationslast 30 patents

METHOD OF CONTROLLING RECEIVER GAIN AUTOMATICALLY AND APPARATUS FOR...

METHOD OF GENERATING GAIN COMBINATION OF PRE-AMPLIFIER IN TRANSMITT...

APPARATUS FOR INTERFERENCE CANCELLATION IN MIMO RECEIVER, METHOD FO...

TRANSMISSION METHOD FOR DUAL DIGITAL SIGNAL THROUGH SINGLE ANTENNA,...

RECEIVER USING IMPEDANCE SHAPING

Sigma-delta based phase lock loop

Integrated circuit package having inductance loop formed from a bri...

Integrated circuit package having inductance loop formed from same-...

Integrated circuit package having an inductance loop formed from a...

Bidirectional turbo ISI canceller-based DSSS receiver for high-spee...

System and method for suppressing noise in a phase-locked loop circuit

Communication transmitter using offset phase-locked-loop

Radio receiver and method for AM suppression and DC-offset removal

RF front end with reduced carrier leakage

LC oscillator with wide tuning range and low phase noise

Single chip CMOS transmitter/receiver and method of using same

Variable gain low-noise amplifier for a wireless terminal

Phase lock loop (PLL) apparatus and method

AUTOMATIC GAIN CONTROL METHOD FOR HIGHLY INTEGRATED COMMUNICATION R...

Gm-C tuning circuit with filter configuration

Sample and hold type fractional-N frequency synthesezer

Fractional-N frequency synthesizer with fractional compensation method

Mixer structure and method for using same

Single chip CMOS transmitter/receiver

Trademarklast 30 trademarks

77186103 - GCT

78486186 - GCTMOBILITY