Dong Hwa Kum

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Mg-Ca sacrificial anode
- Patent number 6,251,240
- Issue date Jun 26, 2001
- Korea Institute of Science and Technology
- Dong Hwa Kum
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Pretreatment method for a substrate surface using ion beam radiatio...
- Patent number 6,099,917
- Issue date Aug 8, 2000
- Korea Institute of Science and Technology
- Seok-Keun Koh
- C30 - CRYSTAL GROWTH
Information Patent Grant
Ultrahigh carbon steels containing aluminum
- Patent number 4,769,214
- Issue date Sep 6, 1988
- SPTek
- Oleg D. Sherby
- C21 - METALLURGY OF IRON