Hee-Man Son

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Kyunggido, KR

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Patents Grantslast 30 patents

Information Patent Grant
Corrosion resistance improved steel sheet for automotive muffler an...
- Patent number 7,922,968
- Issue date Apr 12, 2011
- Posco
- Won-Ho Son
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Corrosion Resistance Improved Steel Sheet for Autmotive Muffler and...
- Publication number 20080257461
- Publication date Oct 23, 2008
- Won-Ho Son
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...