Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10065272 | Super high-strength flux cored arc welded joint having excellent impact toughness, and welding wire for manufacturing same | Hong-Chul Jeong, Jin Woo Lee, Dong-Ryeol Lee, Hong-Kil Lee | 2018-09-04 |
| 9981346 | Welded joint of extremely low-temperature steel, and welding materials for preparing same | Jeong-Kil Kim, Bong-Keun Lee, Hong-Kil Lee | 2018-05-29 |