Changsoo KWAK

Person

Daejeon, KR

People

Patents Grantslast 30 patents

Information Patent Grant
T-junction with high isolation and method for fabricating the same
- Patent number 11,742,560
- Issue date Aug 29, 2023
- Electronics and Telecommunications Research Institute
- Changsoo Kwak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multimode microwave filter
- Patent number 10,727,556
- Issue date Jul 28, 2020
- Electronics and Telecommunications Research Institute
- Changsoo Kwak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tunable low-pass filter using dual mode
- Patent number 10,211,500
- Issue date Feb 19, 2019
- Electronics and Telecommunications Research Institute
- Changsoo Kwak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Resonator filter having a rotatable rod that presses a dielectric m...
- Patent number 9,905,903
- Issue date Feb 27, 2018
- Electronics and Telecommunications Research Institute
- Changsoo Kwak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Butler matrix
- Patent number 8,797,122
- Issue date Aug 5, 2014
- Electronics and Telecommunications Research Institute
- Hongyeol Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
System for controlling temperature of antenna module
- Patent number 8,422,232
- Issue date Apr 16, 2013
- Electronics and Telecommunications Research Institute
- Changsoo Kwak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Line filter formed on dielectric layers
- Patent number 8,410,872
- Issue date Apr 2, 2013
- Electronics and Telecommunications Research Institute
- Man Seok Uhm
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Coupled line filter and arraying method thereof
- Patent number 8,314,667
- Issue date Nov 20, 2012
- Electronics and Telecommunications Research Institute
- Man-Seok Uhm
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus for adjusting length of tension tie for cable network ant...
- Patent number 8,066,445
- Issue date Nov 29, 2011
- Electronics and Telecommunications Research Institute
- Changsoo Kwak
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
T-JUNCTION WITH HIGH ISOLATION AND METHOD FOR FABRICATING THE SAME
- Publication number 20210194107
- Publication date Jun 24, 2021
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Changsoo KWAK
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POLARIZATION CONVERSION INTEGRATED HORN ANTENNA AND METHOD OF MANUF...
- Publication number 20200153106
- Publication date May 14, 2020
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- So-hyeun YUN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MULTIMODE MICROWAVE FILTER
- Publication number 20190252748
- Publication date Aug 15, 2019
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Changsoo KWAK
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TUNABLE LOW-PASS FILTER USING DUAL MODE
- Publication number 20180138571
- Publication date May 17, 2018
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Changsoo KWAK
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RADIO FREQUENCY LOW-LOSS POWER DIVIDER/COMBINER AND POWER AMPLIFIER...
- Publication number 20180123211
- Publication date May 3, 2018
- Electronics and Telecommunications Research Instit ute
- Dong Pil CHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RESONATOR FILTER
- Publication number 20160294030
- Publication date Oct 6, 2016
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Changsoo KWAK
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BUTLER MATRIX
- Publication number 20130076565
- Publication date Mar 28, 2013
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Hongyeol LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DEPLOYABLE REFLECTARRAY ANTENNA
- Publication number 20120235874
- Publication date Sep 20, 2012
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- ChangSoo KWAK
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PHASE SHIFTER AND CONTROL METHOD THEREOF
- Publication number 20110199141
- Publication date Aug 18, 2011
- Electronics and Telecommunications Research Institute
- Donghwan Shin
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
LINE FILTER FORMED ON DIELECTRIC LAYERS
- Publication number 20110148548
- Publication date Jun 23, 2011
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Man Seok Uhm
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYSTEM FOR CONTROLLING TEMPERATURE OF ANTENNA MODULE
- Publication number 20110116230
- Publication date May 19, 2011
- Changsoo Kwak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
APPARATUS FOR ADJUSTING LENGTH OF TENSION TIE FOR CABLE NETWORK ANT...
- Publication number 20110061210
- Publication date Mar 17, 2011
- Electronics and Telecommunications Research Institute
- Changsoo KWAK
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COUPLED LINE FILTER AND ARRAYING METHOD THEREOF
- Publication number 20100141356
- Publication date Jun 10, 2010
- Electronics and Telecommunications Research Institute
- Man-Seok Uhm
- H01 - BASIC ELECTRIC ELEMENTS

Changsoo KWAK

Person

Patents Grantslast 30 patents

T-junction with high isolation and method for fabricating the same

Multimode microwave filter

Tunable low-pass filter using dual mode

Resonator filter having a rotatable rod that presses a dielectric m...

Butler matrix

System for controlling temperature of antenna module

Line filter formed on dielectric layers

Coupled line filter and arraying method thereof

Apparatus for adjusting length of tension tie for cable network ant...

Patents Applicationslast 30 patents

T-JUNCTION WITH HIGH ISOLATION AND METHOD FOR FABRICATING THE SAME

POLARIZATION CONVERSION INTEGRATED HORN ANTENNA AND METHOD OF MANUF...

MULTIMODE MICROWAVE FILTER

TUNABLE LOW-PASS FILTER USING DUAL MODE

RADIO FREQUENCY LOW-LOSS POWER DIVIDER/COMBINER AND POWER AMPLIFIER...

RESONATOR FILTER

BUTLER MATRIX

DEPLOYABLE REFLECTARRAY ANTENNA

PHASE SHIFTER AND CONTROL METHOD THEREOF

LINE FILTER FORMED ON DIELECTRIC LAYERS

SYSTEM FOR CONTROLLING TEMPERATURE OF ANTENNA MODULE

APPARATUS FOR ADJUSTING LENGTH OF TENSION TIE FOR CABLE NETWORK ANT...

COUPLED LINE FILTER AND ARRAYING METHOD THEREOF