Yun Ha YOO

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Incheon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Surface modified galvanized steel sheet
- Patent number 12,188,129
- Issue date Jan 7, 2025
- POSCO Co., Ltd
- Yon-Kyun Song
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
SURFACE MODIFYING METHOD FOR GALVANIZED STEEL SHEET AND SURFACE MOD...
- Publication number 20230304137
- Publication date Sep 28, 2023
- POSCO Co., Ltd
- Yon-Kyun Song
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
COLOR-TREATED BASE MATERIAL AND BASE MATERIAL COLOR TREATMENT METHO...
- Publication number 20160326656
- Publication date Nov 10, 2016
- POSCO
- Hyunju Jeong
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
COLOR-TREATED BASE MATERIAL AND BASE MATERIAL COLOR TREATMENT METHO...
- Publication number 20160319437
- Publication date Nov 3, 2016
- POSCO
- Hyunju JEONG
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...