Chong-Tae AHN

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Gwangyang-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing alloy steel
- Patent number 11,441,211
- Issue date Sep 13, 2022
- POSCO
- Woong Hee Han
- C21 - METALLURGY OF IRON
Information Patent Grant
Dephosphorizing flux and method for preparing same
- Patent number 11,225,695
- Issue date Jan 18, 2022
- Posco
- Woong Hee Han
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING ALLOY STEEL
- Publication number 20200377977
- Publication date Dec 3, 2020
- POSCO
- Soo Chang KANG
- B22 - CASTING POWDER METALLURGY
Information Patent Application
MOLTEN MANGANESE-CONTAINING STEEL PRODUCTION METHOD, HOLDING FURNAC...
- Publication number 20200340085
- Publication date Oct 29, 2020
- POSCO
- Woong-Hee HAN
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Application
DEPHOSPHORIZING FLUX AND METHOD FOR PREPARING SAME
- Publication number 20190309381
- Publication date Oct 10, 2019
- POSCO
- Woong Hee HAN
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING ALLOY STEEL
- Publication number 20190211425
- Publication date Jul 11, 2019
- POSCO
- Woong Hee HAN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
MOLTEN MANGANESE-CONTAINING STEEL PRODUCTION METHOD, HOLDING FURNAC...
- Publication number 20160053350
- Publication date Feb 25, 2016
- POSCO
- Woong-Hee HAN
- C21 - METALLURGY OF IRON