Jin-Yeol Roh

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Seoul, KR

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Patents Applicationslast 30 patents

Information Patent Application
ETCHANT COMPOSITION, AND METHOD OF FORMING PATTERN USING THE SAME,...
- Publication number 20240034932
- Publication date Feb 1, 2024
- DONGWOO FINE-CHEM CO., LTD
- Jin-Kyu Roh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
RUTHENIUM ETCHANT COMPOSITION, PATTERN FORMATION METHOD USING SAME...
- Publication number 20230272279
- Publication date Aug 31, 2023
- DONGWOO FINE-CHEM CO., LTD
- Ji-Won Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SILICON ETCHANT COMPOSITION, PATTERN FORMATION METHOD AND MANUFACTU...
- Publication number 20220073819
- Publication date Mar 10, 2022
- DONGWOO FINE-CHEM CO., LTD.
- Jin-Kyu Roh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD AND DEVICE FOR CALCULATING QUALITY-VALUE OF IN-BUILDING MOBI...
- Publication number 20110035191
- Publication date Feb 10, 2011
- KT Coporation
- Jin-Yeol Roh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE