Han-Gu Cho

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Gwangyang, KR

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Patents Grantslast 30 patents

Information Patent Grant
Zinc-plated steel sheet for hot pressing having outstanding surface...
- Patent number 9,945,020
- Issue date Apr 17, 2018
- Posco
- Il-Ryoung Sohn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Zinc-plated steel sheet for hot pressing having outstanding surface...
- Patent number 9,068,255
- Issue date Jun 30, 2015
- Posco
- Il-Ryoung Sohn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
ZINC-PLATED STEEL SHEET FOR HOT PRESSING HAVING OUTSTANDING SURFACE...
- Publication number 20180195159
- Publication date Jul 12, 2018
- POSCO
- Il-Ryoung Sohn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Zinc-Plated Steel Sheet for Hot Pressing Having Outstanding Surface...
- Publication number 20150307977
- Publication date Oct 29, 2015
- POSCO
- Il-Ryoung Sohn
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
HOT PRESS FORMING PROCESS OF PLATED STEEL AND HOT PRESS FORMED ARTI...
- Publication number 20120291510
- Publication date Nov 22, 2012
- POSCO
- Hong-Gee Kim
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ZINC-PLATED STEEL SHEET FOR HOT PRESSING HAVING OUTSTANDING SURFACE...
- Publication number 20120267012
- Publication date Oct 25, 2012
- POSCO
- Il-Ryoung Sohn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...