Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12188109 | Steel material for brake disc of motor vehicle having excellent wear resistance and high temperature strength and method of manufacturing the same | Seng-Ho Yu, Young-Jin Jung | 2025-01-07 |
| 11453933 | High-strength steel material having enhanced resistance to crack initiation and propagation at low temperature and method for manufacturing the same | Woo-Gyeom Kim, Woo-Yeol Cha, 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 | Woo-Gyeom Kim, Woo-Yeol Cha, Jin-Woo Chae | 2022-03-08 |
| 11136653 | High-strength steel material having excellent low-temperature strain aging impact properties and welding heat-affected zone impact properties and method for manufacturing same | Woo-Gyeom Kim | 2021-10-05 |
| 10604817 | High-strength steel plate for pressure vessel having excellent toughness after post weld heat treatment and manufacturing method thereof | Dae-Woo Kim | 2020-03-31 |
| 9394579 | High-strength steel material having outstanding ultra-low-temperature toughness and a production method therefor | Jong-Kyo Choi, Woo-Kil Jang, Hee-Goon Noh, Hyun-Kwan Cho | 2016-07-19 |
| 8702880 | High strength and low yield ratio steel for structure having excellent low temperature toughness | Jae-Young Cho, Jong-Kyo Choi | 2014-04-22 |