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Chongkwang Chang
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Incheon, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor device and method for fabricating the same
Patent number
9,608,054
Issue date
Mar 28, 2017
Samsung Electronics Co., Ltd.
Chongkwang Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method for fabricating the same
Patent number
9,419,072
Issue date
Aug 16, 2016
Samsung Electronics Co., Ltd.
Chongkwang Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of controlling an etching process for forming fine patterns...
Patent number
9,397,013
Issue date
Jul 19, 2016
Samsung Electronics Co., Ltd.
Chongkwang Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method for fabricating the same
Patent number
8,466,023
Issue date
Jun 18, 2013
Samsung Electronics Co., Ltd.
Chongkwang Chang
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
IMAGE SENSOR INCLUDING SEPARATION STRUCTURE
Publication number
20220238583
Publication date
Jul 28, 2022
Samsung Electronics Co., Ltd.
CHONGKWANG CHANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
IMAGE SENSOR
Publication number
20220149089
Publication date
May 12, 2022
Samsung Electronics Co., Ltd.
Donghoon KHANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF CONTROLLING AN ETCHING PROCESS FOR FORMING FINE PATTERNS...
Publication number
20160099185
Publication date
Apr 7, 2016
Samsung Electronics Co., Ltd.
Chongkwang Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME
Publication number
20160056259
Publication date
Feb 25, 2016
Samsung Electronics Co., Ltd.
Chongkwang Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME
Publication number
20130270569
Publication date
Oct 17, 2013
Chongkwang Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME
Publication number
20110092040
Publication date
Apr 21, 2011
Samsung Electronics Co., Ltd.
Chongkwang Chang
H01 - BASIC ELECTRIC ELEMENTS