Heejun PARK

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Cheongju-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Etching gas compositions, methods of forming micropatterns, and met...
- Patent number 12,183,591
- Issue date Dec 31, 2024
- Samsung Electronics Co., Ltd.
- Dohoon Kim
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ETCHING GAS COMPOSITIONS, METHODS OF FORMING MICROPATTERNS, AND MET...
- Publication number 20220310407
- Publication date Sep 29, 2022
- Wonik Materials
- Dohoon KIM
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...