Issued Patents 2023
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11634800 | High-strength austenite-based high-manganese steel material and manufacturing method for same | Un-Hae Lee, Tae-Kyo Han, Sung Kyu Kim, Yong Jin Kim | 2023-04-25 |
| 11624101 | Steel for pressure vessel having excellent surface quality and impact toughness, and method for manufacturing same | Tae-Il So, Dae-Woo Kim | 2023-04-11 |
| 11591677 | High-strength structural steel material having excellent fatigue crack propagation inhibitory characteristics and manufacturing method therefor | Il-Cheol Yi, Jae-Young Cho | 2023-02-28 |
| 11584970 | High manganese steel for low temperature applications having excellent surface quality and a manufacturing method thereof | Yu-Mi Ha, Young-Deok Jung, Un-Hae Lee, Yong Jin Kim, Sung Kyu Kim +1 more | 2023-02-21 |
| 11572600 | Structural steel having excellent brittle crack propagation resistance, and manufacturing method therefor | Jae-Young Cho, Il-Cheol Yi | 2023-02-07 |
| 11566308 | Austenitic steel material having excellent abrasion resistance and toughness and manufacturing method the same | Yong Jin Kim, Hong-Yeol Oh, Hong-Ju Lee, Yoen-Jung Park, Young-Deok Jung | 2023-01-31 |