Yanghwa Lee

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Yuseong-gu, KR

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Patents Grantslast 30 patents

Information Patent Grant
Compositions for etching
- Patent number 9,368,647
- Issue date Jun 14, 2016
- Samsung Electronics Co., Ltd.
- Young-Taek Hong
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Compositions for etching and methods of forming a semiconductor dev...
- Patent number 9,136,120
- Issue date Sep 15, 2015
- Samsung Electronics Co., Ltd.
- Young Taek Hong
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Compositions for etching and methods of forming a semiconductor dev...
- Patent number 8,940,182
- Issue date Jan 27, 2015
- Samsung Electronics Co., Ltd.
- Young-Taek Hong
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITIONS FOR ETCHING
- Publication number 20150348799
- Publication date Dec 3, 2015
- Samsung Electronics Co., Ltd.
- Young Taek Hong
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COMPOSITIONS FOR ETCHING AND METHODS OF FORMING A SEMICONDUCTOR DEV...
- Publication number 20150104932
- Publication date Apr 16, 2015
- Samsung Electronics Co., Ltd.
- Young Taek Hong
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COMPOSITIONS FOR ETCHING AND METHODS OF FORMING A SEMICONDUCTOR DEV...
- Publication number 20130092872
- Publication date Apr 18, 2013
- Soulbrain Co., Ltd.
- Young-Taek Hong
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...