Woo-Kil Jang

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Pohang-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Wear resistant steel having excellent toughness and weldability
- Patent number 9,708,698
- Issue date Jul 18, 2017
- POSCO
- Jong-Kyo Choi
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength steel material having outstanding ultra-low-temperatu...
- Patent number 9,394,579
- Issue date Jul 19, 2016
- Posco
- Kyung-Keun Um
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
WEAR RESISTANT STEEL HAVING EXCELLENT TOUGHNESS AND WELDABILITY
- Publication number 20140334967
- Publication date Nov 13, 2014
- Jong-Kyo Choi
- C21 - METALLURGY OF IRON
Information Patent Application
High-Strength Steel Material Having Outstanding Ultra-Low-Temperatu...
- Publication number 20130174941
- Publication date Jul 11, 2013
- POSCO
- Kyung-Keun Um
- C21 - METALLURGY OF IRON