Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Woo-Yeol Cha | 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, Woo-Yeol Cha | 2022-03-08 |