Hong-Kyun SOHN

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Pohang-si, Kyungsangbook-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Phosphate solution for zinc or zinc-based alloy plated steel sheet,...
- Patent number 9,957,619
- Issue date May 1, 2018
- POSCO
- Young-Jin Kwak
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
PHOSPHATE SOLUTION FOR ZINC OR ZINC-BASED ALLOY PLATED STEEL SHEET,...
- Publication number 20150329972
- Publication date Nov 19, 2015
- POSCO
- Young-Jin KWAK
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...