Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12358274 | Method of manufacturing clad steel sheet having excellent formability and fatigue property | Tae-Jin Song | 2025-07-15 |
| 12252759 | High strength steel sheet having excellent workability and method for manufacturing same | Jae-Hoon Lee, Tae-Oh Lee | 2025-03-18 |
| 11913089 | Low-density clad steel sheet having excellent strength and plateability, and manufacturing method therefor | Tae-Jin Song | 2024-02-27 |
| 11752752 | Low-density clad steel sheet having excellent formability and fatigue property | Tae-Jin Song | 2023-09-12 |
| 11753693 | High-strength cold rolled steel sheet having high hole expansion ratio, highstrength hot-dip galvanized steel sheet, and manufacturing methods therefor | Young-Roc IM, Jong Chan Park, Jai-Hyun Kwak | 2023-09-12 |
| 11193189 | Ultra-high strength steel sheet having excellent bendability and manufacturing method therefor | Seong-Woo Kim | 2021-12-07 |
| 11104974 | High yield ratio type high-strength cold-rolled steel sheet and manufacturing method thereof | Seong-Ho Han | 2021-08-31 |
| 10273556 | Lightweight steel sheet having excellent strength and ductility and method for manufacturing same | Jai-Hyun Kwak, Dong-Seoug Sin | 2019-04-30 |