Si-Myoung HEO

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Gwangyang-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Cold-rolled steel plate for hot forming, having excellent corrosion...
- Patent number 12,049,679
- Issue date Jul 30, 2024
- POSCO Co., Ltd
- Jin-Keun Oh
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cold-rolled steel plate for hot forming, having excellent corrosion...
- Patent number 11,788,166
- Issue date Oct 17, 2023
- POSCO Co., Ltd
- Jin-Keun Oh
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cold-rolled steel plate for hot forming, having excellent corrosion...
- Patent number 11,624,100
- Issue date Apr 11, 2023
- POSCO Co., Ltd
- Jin-Keun Oh
- C21 - METALLURGY OF IRON
Information Patent Grant
Cold-rolled steel plate for hot forming, having excellent corrosion...
- Patent number 11,441,205
- Issue date Sep 13, 2022
- Posco
- Jin-Keun Oh
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...
- Publication number 20240301527
- Publication date Sep 12, 2024
- POSCO Co., Ltd
- Jin-Keun OH
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...
- Publication number 20230416863
- Publication date Dec 28, 2023
- POSCO CO., LTD.
- Jin-Keun OH
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...
- Publication number 20230235423
- Publication date Jul 27, 2023
- POSCO Co., Ltd
- Jin-Keun OH
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...
- Publication number 20220389533
- Publication date Dec 8, 2022
- POSCO
- Jin-Keun OH
- C21 - METALLURGY OF IRON
Information Patent Application
COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...
- Publication number 20200385833
- Publication date Dec 10, 2020
- POSCO
- Jin-Keun OH
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...