JIN KYU ROH

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Jeollabuk-do, KR

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Patents Applicationslast 30 patents

Information Patent Application
ETCHANT COMPOSITION FOR ETCHING SILICON AND METHOD OF FORMING PATTE...
- Publication number 20250236792
- Publication date Jul 24, 2025
- DONGWOO FINE-CHEM CO., LTD.
- JIN KYU ROH
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COMPOSITION FOR ETCHING SILICON NITRIDE LAYER
- Publication number 20250236794
- Publication date Jul 24, 2025
- DONGWOO FINE-CHEM CO., LTD.
- KYU SANG AHN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
SILICON-ETCHANT COMPOSITION AND METHOD OF FORMING PATTERN USING THE...
- Publication number 20240287383
- Publication date Aug 29, 2024
- DONGWOO FINE-CHEM CO., LTD.
- JIN KYU ROH
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...