Issued Patents All Time
Showing 1–3 of 3 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, Il-Wook Han | 2018-09-04 |
| 9981346 | Welded joint of extremely low-temperature steel, and welding materials for preparing same | Il-Wook Han, Jeong-Kil Kim, Bong-Keun Lee | 2018-05-29 |
| 9492894 | Flux-cored arc welding wire for providing superior toughness and weldability to a welded joint at a low temperature, and welded joint using same | Il-Wook Han, Bong-Keun Lee, Jeong-Kil Kim | 2016-11-15 |