Younghwan Kim

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Gyeongsangbuk-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Stainless steel for polymer fuel cell separator and method for prep...
- Patent number 11,047,029
- Issue date Jun 29, 2021
- Posco
- Jonghee Kim
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Stainless steel for polymer fuel cell separator and method for prep...
- Patent number 9,290,845
- Issue date Mar 22, 2016
- POSCO
- Jonghee Kim
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
STAINLESS STEEL FOR POLYMER FUEL CELL SEPARATOR AND METHOD FOR PREP...
- Publication number 20160160329
- Publication date Jun 9, 2016
- POSCO
- Jonghee KIM
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
STAINLESS STEEL FOR POLYMER FUEL CELL SEPARATOR AND METHOD FOR PREP...
- Publication number 20110294042
- Publication date Dec 1, 2011
- Jonghee Kim
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...