Hyung Bum Kim

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Yangsan-shi, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method of making manganese sulfide compositions
- Patent number 7,045,112
- Issue date May 16, 2006
- Kaya Ama Inc.
- Dong Kyu Park
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Method of making manganese sulfide compositions
- Publication number 20050211021
- Publication date Sep 29, 2005
- KAYA AMA INC.
- Dong Kyu Park
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Compositions of manganese sulfide compound added for making sintere...
- Publication number 20030101849
- Publication date Jun 5, 2003
- Dong Kyu Park
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...