Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12209294 | Steel material having low yield ratio and excellent heat affected zone toughness and manufacturing method therefor | — | 2025-01-28 |
| 11149326 | High-strength and high-manganese steel having excellent low-temperature toughness and manufacturing method therefor | Il-Cheol Yi, Sang-Deok Kang, Jae-Young Cho, Hong-Yeol Oh, Tae-Il So | 2021-10-19 |