Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12221680 | Cryogenic austenitic high-manganese steel having excellent corrosion resistance, and manufacturing method therefor | Dong-Ho Lee, Sang-Deok Kang, Sung Kyu Kim | 2025-02-11 |
| 11873546 | Austenitic steel material having excellent hot workability and manufacturing method therefor | Sung Kyu Kim, Soon-Gi LEE, Yong Jin Kim, Hong-Yeol Oh | 2024-01-16 |
| 11634800 | High-strength austenite-based high-manganese steel material and manufacturing method for same | Tae-Kyo Han, Sang-Deok Kang, Sung Kyu Kim, Yong Jin Kim | 2023-04-25 |
| 11584970 | High manganese steel for low temperature applications having excellent surface quality and a manufacturing method thereof | Yu-Mi Ha, Young-Deok Jung, Sang-Deok Kang, Yong Jin Kim, Sung Kyu Kim +1 more | 2023-02-21 |
| 10961610 | Non-magnetic steel material having excellent hot workability and manufacturing method therefor | Sung Kyu Kim, Soon-Gi LEE, Yong Jin Kim, Hong-Yeol Oh | 2021-03-30 |