Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12037667 | High-strength steel having excellent resistance to sulfide stress cracking, and method for manufacturing same | Seong-Ung Koh, Hong-Ju Lee, Hyo-Shin Kim, Moo-Jong Bae | 2024-07-16 |
| 11746401 | Steel sheet having excellent hydrogen induced cracking resistance and longitudinal strength uniformity, and manufacturing method therefor | Seong-Ung Koh, Hyo-Shin Kim | 2023-09-05 |
| 11566308 | Austenitic steel material having excellent abrasion resistance and toughness and manufacturing method the same | Yong Jin Kim, Hong-Yeol Oh, Hong-Ju Lee, Sang-Deok Kang, Young-Deok Jung | 2023-01-31 |
| 10801092 | Thick steel plate having excellent low-temperature toughness and hydrogen-induced cracking resistance, and method for manufacturing same | Seong-Ung Koh, Jae Hyun Park, Moo-Jong Bae | 2020-10-13 |