Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10864605 | High strength welding joint having excellent impact toughness at very low temperature, and flux-cored arc welding wire therefor | Bong-Keun Lee, Sang Chul Lee, Jeong-Kil Kim | 2020-12-15 |
| 10279436 | Flux-cored arc welding material having remarkable impact resistance and abrasion resistance | Bong-Keun Lee, Jeong-Kil Kim, Sang Chul Lee, Dong-Ryeol Lee, Geug KIM | 2019-05-07 |
| 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 |
| 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 | Bong-Keun Lee, Jeong-Kil Kim, Hong-Kil Lee | 2016-11-15 |