Chongkwang Chang

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Incheon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Image sensor including separation structure
- Patent number 12,266,668
- Issue date Apr 1, 2025
- Samsung Electronics Co., Ltd.
- Chongkwang Chang
- H01 - BASIC ELECTRIC ELEMENTS
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 Applicationslast 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