Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11873546 | Austenitic steel material having excellent hot workability and manufacturing method therefor | Un-Hae Lee, Sung Kyu Kim, Yong Jin Kim, Hong-Yeol Oh | 2024-01-16 |
| 10961610 | Non-magnetic steel material having excellent hot workability and manufacturing method therefor | Un-Hae Lee, Sung Kyu Kim, Yong Jin Kim, Hong-Yeol Oh | 2021-03-30 |
| 10655196 | Austenitic steel having excellent machinability and ultra-low temperature toughness in weld heat-affected zone, and method of manufacturing the same | Jong-Kyo Choi, Young Hwan Park, Hee-Goon Noh, Hyun-Kwan Cho, In-Shik Suh +2 more | 2020-05-19 |
| 10041156 | High strength austenitic-based steel with remarkable toughness of welding heat-affected zone and preparation method therefor | Hak-Cheol Lee, In-Shik Suh, In-Gyu Park, Yong Jin Kim, Hong-Ju Lee | 2018-08-07 |
| 9945014 | High-manganese wear resistant steel having excellent weldability and method for manufacturing same | In-Shik Suh, In-Gyu Park, Hong-Ju Lee | 2018-04-17 |
| 9650703 | Wear resistant austenitic steel having superior machinability and toughness in weld heat affected zones thereof and method for producing same | Jong-Kyo Choi, Hee-Goon Noh, Hong-Ju Lee, In-Shik Suh, In-Gyu Park | 2017-05-16 |