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Woojin CHANG
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Daejeon, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Microwave amplification circuit
Patent number
11,223,333
Issue date
Jan 11, 2022
Electronics and Telecommunications Research Institute
Woojin Chang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Cascode switch circuit including level shifter
Patent number
10,256,811
Issue date
Apr 9, 2019
Electronics and Telecommunications Research Institute
Woojin Chang
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor device and method of fabricating the same
Patent number
10,020,201
Issue date
Jul 10, 2018
Electronics and Telecommunications Research Institute
Chi Hoon Jun
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device with passivation layer for control of leakage...
Patent number
10,014,401
Issue date
Jul 3, 2018
Electronics and Telecommunications Research Institute
Jeho Na
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cascode switch circuit
Patent number
9,825,622
Issue date
Nov 21, 2017
Electronics and Telecommunications Research Institute
Woojin Chang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Switch circuit of cascode type having high speed switching performance
Patent number
9,666,569
Issue date
May 30, 2017
Electronics and Telecommunications Research Institute
Woojin Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method of fabricating the same
Patent number
9,337,121
Issue date
May 10, 2016
Electronics and Telecommunications Research Institute
Chi Hoon Jun
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Methods of manufacturing nitride semiconductor devices
Patent number
9,159,583
Issue date
Oct 13, 2015
Electronics and Telecommunications Research Institute
Sang Choon Ko
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride semiconductor device
Patent number
9,136,347
Issue date
Sep 15, 2015
Electronics and Telecommunications Research Institute
Young Rak Park
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Transistor and method of fabricating the same
Patent number
8,901,608
Issue date
Dec 2, 2014
Electronics and Telecommunications Research Institute
Jong-Won Lim
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor package and method of fabricating the same
Patent number
8,697,491
Issue date
Apr 15, 2014
Electronics and Telecommunications Research Institute
Woojin Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor package and method of fabricating the same
Patent number
8,633,057
Issue date
Jan 21, 2014
Electronics and Telecommunications Research Institute
Woojin Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing semiconductor device
Patent number
8,609,474
Issue date
Dec 17, 2013
Electronics and Telecommunications Research Institute
Jong-Won Lim
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor devices and methods of forming thereof
Patent number
8,518,794
Issue date
Aug 27, 2013
Electronics and Telecommunications Research Institute
Hokyun Ahn
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor package and method of fabricating the same
Patent number
8,455,992
Issue date
Jun 4, 2013
Electronics and Telecommunications Research Institute
Woojin Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor package and method of fabricating the same
Patent number
8,304,895
Issue date
Nov 6, 2012
Electronics and Telecommunications Research Institute
Woojin Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Power amplifier having depletion mode high electron mobility transi...
Patent number
8,294,521
Issue date
Oct 23, 2012
Electronics and Telecommunications Research Institute
Dong Min Kang
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR MANUFACTURING POWER SEMICONDUCTOR DEVICE
Publication number
20220223696
Publication date
Jul 14, 2022
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Jae Kyoung MUN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MICROWAVE AMPLIFICATION CIRCUIT
Publication number
20210083632
Publication date
Mar 18, 2021
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Woojin CHANG
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CASCODE SWITCH CIRCUIT INCLUDING LEVEL SHIFTER
Publication number
20180145684
Publication date
May 24, 2018
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Woojin CHANG
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME
Publication number
20170213904
Publication date
Jul 27, 2017
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Jeho NA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CASCODE SWITCH CIRCUIT
Publication number
20170201247
Publication date
Jul 13, 2017
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Woojin CHANG
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
Publication number
20160380119
Publication date
Dec 29, 2016
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Dong Yun JUNG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SWITCH CIRCUIT OF CASCODE TYPE HAVING HIGH SPEED SWITCHING PERFORMANCE
Publication number
20160247792
Publication date
Aug 25, 2016
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Woojin CHANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME
Publication number
20160225631
Publication date
Aug 4, 2016
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Chi Hoon JUN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME
Publication number
20150194363
Publication date
Jul 9, 2015
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Chi Hoon JUN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHODS OF MANUFACTURING NITRIDE SEMICONDUCTOR DEVICES
Publication number
20150187599
Publication date
Jul 2, 2015
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Sang Choon KO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NITRIDE SEMICONDUCTOR DEVICE
Publication number
20150187886
Publication date
Jul 2, 2015
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Young Rak PARK
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TRANSISTOR AND METHOD OF FABRICATING THE SAME
Publication number
20140159115
Publication date
Jun 12, 2014
Jong-Won LIM
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF CONFIGURING LARGE SIGNAL MODEL OF ACTIVE DEVICE
Publication number
20140149099
Publication date
May 29, 2014
Woojin CHANG
G01 - MEASURING TESTING
Information
Patent Application
SEMICONDUCTOR PACKAGE AND METHOD OF FABRICATING THE SAME
Publication number
20130244379
Publication date
Sep 19, 2013
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Woojin CHANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR PACKAGE AND METHOD OF FABRICATING THE SAME
Publication number
20130040428
Publication date
Feb 14, 2013
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Woojin CHANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
Publication number
20120146107
Publication date
Jun 14, 2012
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Jong-Won LIM
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR PACKAGE AND METHOD OF FABRICATING THE SAME
Publication number
20120086118
Publication date
Apr 12, 2012
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Woojin CHANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR FABRICATING FIELD EFFECT TRANSISTOR
Publication number
20110143505
Publication date
Jun 16, 2011
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Hokyun AHN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICES AND METHODS OF FORMING THEREOF
Publication number
20110057237
Publication date
Mar 10, 2011
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Hokyun AHN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR PACKAGE AND METHOD OF FABRICATING THE SAME
Publication number
20110049698
Publication date
Mar 3, 2011
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Woojin CHANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POWER AMPLIFIER HAVING DEPLETION MODE HIGH ELECTRON MOBILITY TRANSI...
Publication number
20110037521
Publication date
Feb 17, 2011
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Dong Min KANG
H03 - BASIC ELECTRONIC CIRCUITRY