Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11535907 | Hot rolled steel plate for electric resistance welded steel pipe having excellent weldability, and manufacturing method thereof | Seok-Jong Seo | 2022-12-27 |
| 11535908 | Hot-rolled steel sheet having excellent durability and method for manufacturing same | Seok-Jong Seo | 2022-12-27 |
| 11466336 | High-strength steel sheet having excellent burring workability in low temperature range and manufacturing method therefor | Seok-Jong Seo, Sung-Il Kim | 2022-10-11 |