Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11746401 | Steel sheet having excellent hydrogen induced cracking resistance and longitudinal strength uniformity, and manufacturing method therefor | Hyo-Shin Kim, Yoen-Jung Park | 2023-09-05 |
| 11649519 | Sour-resistant heavy-wall steel plate having excellent low-temperature toughness and post-heat treatment characteristics and method for manufacturing same | Jae Hyun Park, Moo-Jong Bae | 2023-05-16 |