Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11873546 | Austenitic steel material having excellent hot workability and manufacturing method therefor | Un-Hae Lee, Sung Kyu Kim, Soon-Gi LEE, Yong Jin Kim | 2024-01-16 |
| 11566308 | Austenitic steel material having excellent abrasion resistance and toughness and manufacturing method the same | Yong Jin Kim, Hong-Ju Lee, Sang-Deok Kang, Yoen-Jung Park, Young-Deok Jung | 2023-01-31 |
| 11149326 | High-strength and high-manganese steel having excellent low-temperature toughness and manufacturing method therefor | Il-Cheol Yi, Jae-Yong Chae, Sang-Deok Kang, Jae-Young Cho, Tae-Il So | 2021-10-19 |
| 10961610 | Non-magnetic steel material having excellent hot workability and manufacturing method therefor | Un-Hae Lee, Sung Kyu Kim, Soon-Gi LEE, Yong Jin Kim | 2021-03-30 |