Issued Patents 2023
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11827947 | Hot press-formed member having excellent crack propagation resistance and ductility, and method for producing same | Jin-Keun Oh, Seong-Woo Kim, Won-Mo BAK | 2023-11-28 |
| 11801664 | 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 | 2023-10-31 |
| 11788166 | 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 | 2023-10-17 |
| 11732323 | 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 | 2023-08-22 |
| 11624100 | 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 | 2023-04-11 |
| 11549167 | Steel sheet plated with Al—Fe alloy for hot press forming having excellent corrosion resistance and heat resistance, hot press formed part, and manufacturing method therefor | Seong-Woo Kim, Jin-Keun Oh, Sang-Heon Kim | 2023-01-10 |