Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11248853 | Printed circuit-type heat exchanger and gas-liquid separating device having gas-liquid separating structure | Ki Hoon Yang, Chil Yeong Seon, In C. Jung | 2022-02-15 |
| 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, Il-Wook Han | 2020-12-15 |
| D856911 | Vehicle tyre | Tae Ho Yang, Youn-Chang Lee | 2019-08-20 |
| 10279436 | Flux-cored arc welding material having remarkable impact resistance and abrasion resistance | Bong-Keun Lee, Il-Wook Han, Sang Chul Lee, Dong-Ryeol Lee, Geug KIM | 2019-05-07 |
| 9981346 | Welded joint of extremely low-temperature steel, and welding materials for preparing same | Il-Wook Han, 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 | Il-Wook Han, Bong-Keun Lee, Hong-Kil Lee | 2016-11-15 |