Issued Patents 2022
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11529795 | Steel sheet plated with Al—Fe for hot press forming having excellent corrosion resistance and spot weldability, and manufacturing method thereof | Jin-Keun Oh, Seong-Woo Kim, Sang-Heon Kim | 2022-12-20 |
| 11491764 | Iron-aluminum-based plated steel sheet for hot press forming, having excellent hydrogen delayed fracture properties and spot welding properties, and manufacturing method therefor | Jin-Keun Oh, Seong-Woo Kim, Sang-Heon Kim | 2022-11-08 |
| 11441205 | Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same | Jin-Keun Oh, A-Ra CHO, Jin-Ho Cha, Si-Myoung Heo, Jeong-Won Seo +1 more | 2022-09-13 |
| 11338549 | Steel sheet for hot press formed member having excellent resistance to hydrogen delayed fracture and method for manufacturing thereof | Seong-Woo Kim, Jin-Keun Oh | 2022-05-24 |
| 11274357 | Plated steel sheet for hot press forming having excellent impact property, hot press formed part, and manufacturing method thereof | Seong-Woo Kim, Jin-Keun Oh | 2022-03-15 |