Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11851727 | Hot-rolled steel sheet having excellent expandability and method for manufacturing same | Hyun-Taek Na | 2023-12-26 |
| 11708623 | High-strength steel sheet having excellent impact resistance, and method for manufacturing same | Sung-Il Kim | 2023-07-25 |
| 11560607 | Hot-rolled steel sheet having excellent expandability and method for manufacturing same | Hyun-Taek Na | 2023-01-24 |
| 11535908 | Hot-rolled steel sheet having excellent durability and method for manufacturing same | Hyun-Taek Na | 2022-12-27 |
| 11535907 | Hot rolled steel plate for electric resistance welded steel pipe having excellent weldability, and manufacturing method thereof | Hyun-Taek Na | 2022-12-27 |
| 11466336 | High-strength steel sheet having excellent burring workability in low temperature range and manufacturing method therefor | Sung-Il Kim, Hyun-Taek Na | 2022-10-11 |
| 11203796 | Ultra high strength hot-rolled steel sheet having excellent ductility and method for manufacturing same | Sung-Il Kim | 2021-12-21 |
| 11149330 | Magnesium alloy plate and method for manufacturing same | Hyun-Taek Na, In-Shik Suh, Sung-Il Kim | 2021-10-19 |
| 10975454 | Ultra-high strength steel sheet having excellent phosphatability and bendability | — | 2021-04-13 |
| 10533241 | Hot-rolled steel sheet for high strength galvanized steel sheet, having excellent surface quality, and method for producing same | Young Ha Kim, Hyo Jung Kwak | 2020-01-14 |
| 10351927 | Hot-rolled steel sheet for high strength galvanized steel sheet, having excellent surface quality, and method for producing same | Hyo Jung Kwak, Young Ha Kim | 2019-07-16 |