Seon-Jong LEE

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Gwangyang-si, Jeollanam-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Ultrahigh-strength steel sheet having excellent yield ratio, and ma...
- Patent number 12,123,066
- Issue date Oct 22, 2024
- POSCO CO. LTD
- Sea-Woong Lee
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
ULTRAHIGH-STRENGTH STEEL SHEET HAVING EXCELLENT YIELD RATIO, AND MA...
- Publication number 20240401166
- Publication date Dec 5, 2024
- POSCO CO., LTD.
- Sea-Woong LEE
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
WIRE ROD FOR GRAPHITIZATION HEAT TREATMENT, GRAPHITE STEEL, AND MAN...
- Publication number 20220235441
- Publication date Jul 28, 2022
- POSCO
- Nam-Suk Lim
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ULTRAHIGH-STRENGTH STEEL SHEET HAVING EXCELLENT YIELD RATIO, AND MA...
- Publication number 20190256940
- Publication date Aug 22, 2019
- POSCO
- Sea-Woong LEE
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...