Chung-Hwan Lee

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Gwangyang-si, Jeollanam-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Zinc plated steel sheet having excellent surface quality and spot w...
- Patent number 12,054,801
- Issue date Aug 6, 2024
- Posco
- Ki-Cheol Kang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Advanced high strength zinc plated steel sheet having excellent sur...
- Patent number 12,000,008
- Issue date Jun 4, 2024
- Posco
- Ki-Cheol Kang
- C21 - METALLURGY OF IRON
Information Patent Grant
Zinc plated steel sheet having excellent fatigue strength of electr...
- Patent number 11,981,973
- Issue date May 14, 2024
- Posco
- Ki-Cheol Kang
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
ADVANCED HIGH STRENGTH ZINC PLATED STEEL SHEET HAVING EXCELLENT SUR...
- Publication number 20240344164
- Publication date Oct 17, 2024
- POSCO Co., Ltd
- Ki-Cheol Kang
- C21 - METALLURGY OF IRON
Information Patent Application
ZINC PLATED STEEL SHEET HAVING EXCELLENT FATIGUE STRENGTH OF ELECTR...
- Publication number 20240295002
- Publication date Sep 5, 2024
- POSCO Co., Ltd
- Ki-Cheol Kang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
ADVANCED HIGH STRENGTH ZINC PLATED STEEL SHEET HAVING EXCELLENT SUR...
- Publication number 20230024115
- Publication date Jan 26, 2023
- POSCO
- Ki-Cheol Kang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
ZINC PLATED STEEL SHEET HAVING EXCELLENT SURFACE QUALITY AND SPOT W...
- Publication number 20230018291
- Publication date Jan 19, 2023
- POSCO
- Ki-Cheol Kang
- C21 - METALLURGY OF IRON
Information Patent Application
ZINC PLATED STEEL SHEET HAVING EXCELLENT FATIGUE STRENGTH OF ELECTR...
- Publication number 20230002845
- Publication date Jan 5, 2023
- POSCO
- Ki-Cheol Kang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...