WC

Woo-Yeol Cha

PC Posco Co.: 2 patents #27 of 187Top 15%
Overall (2022): #98,247 of 548,613Top 20%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11453933 High-strength steel material having enhanced resistance to crack initiation and propagation at low temperature and method for manufacturing the same Kyung-Keun Um, Woo-Gyeom Kim, Jin-Woo Chae 2022-09-27
11268175 High-strength steel having excellent fracture initiation resistance and fracture propagation arrestability at low temperature and method of manufacturing the same Kyung-Keun Um, Woo-Gyeom Kim, Jin-Woo Chae 2022-03-08