Hoseong Yoo

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Seongnam-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Etching compositions and method of etching by using the same
- Patent number 10,640,706
- Issue date May 5, 2020
- OCI COMPANY LTD.
- HoSeong Yoo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Etching solution capable of suppressing particle appearance
- Patent number 10,167,425
- Issue date Jan 1, 2019
- OCI Company Ltd
- Hoseong Yoo
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
ETCHING COMPOSITIONS AND METHOD OF ETCHING BY USING THE SAME
- Publication number 20190010398
- Publication date Jan 10, 2019
- OCI COMPANY LTD.
- HoSeong YOO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ETCHING SOLUTION CAPABLE OF SUPPRESSING PARTICLE APPEARANCE
- Publication number 20170321121
- Publication date Nov 9, 2017
- OCI COMPANY LTD.
- Hoseong Yoo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...