Choong Yeol Lee

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Pohang, KR

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Patents Grantslast 30 patents

Information Patent Grant
Rolling apparatus, continuous casting and rolling apparatus and method
- Patent number 10,265,744
- Issue date Apr 23, 2019
- POSCO
- Jea-Sook Chung
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
ROLLING APPARATUS, CONTINUOUS CASTING AND ROLLING APPARATUS AND METHOD
- Publication number 20160318081
- Publication date Nov 3, 2016
- POSCO
- Jea-Sook CHUNG
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
CONTINUOUS CASTING AND ROLLING APPARATUS AND METHOD
- Publication number 20160318096
- Publication date Nov 3, 2016
- POSCO
- Seong-Yeon KIM
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
MANDREL OF COIL BOX
- Publication number 20150298190
- Publication date Oct 22, 2015
- Posco
- Choong-Yun LEE
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
WIRE RODS HAVING SUPERIOR STRENGTH AND DUCTILITY FOR DRAWING AND ME...
- Publication number 20100263772
- Publication date Oct 21, 2010
- POSCO
- Choong Yeol Lee
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...