Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9708698 | Wear resistant steel having excellent toughness and weldability | Jong-Kyo Choi, Woo-Kil Jang, Young Hwan Park | 2017-07-18 |
| 9650703 | Wear resistant austenitic steel having superior machinability and toughness in weld heat affected zones thereof and method for producing same | Soon-Gi LEE, Jong-Kyo Choi, Hee-Goon Noh, In-Shik Suh, In-Gyu Park | 2017-05-16 |