Issued Patents 2023
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11827947 | Hot press-formed member having excellent crack propagation resistance and ductility, and method for producing same | Seong-Woo Kim, Yeol-Rae Cho, Won-Mo BAK | 2023-11-28 |
| 11820103 | Steel sheet for hot press formed member having excellent coating adhesion and manufacturing method for the same | Seong-Woo Kim, A-Ra CHO, Hyeon-Jeong SHIN | 2023-11-21 |
| 11801664 | Steel sheet for hot press formed member having excellent resistance to hydrogen delayed fracture and method for manufacturing thereof | Seong-Woo Kim, Yeol-Rae Cho | 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 | Yeol-Rae Cho, 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, Yeol-Rae Cho | 2023-08-22 |
| 11654654 | Manufacturing method of aluminum-based alloy plated steel | Il-Ryoung Sohn, Seong-Woo Kim, Jeom-Soo Shin | 2023-05-23 |
| 11624100 | Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same | Yeol-Rae Cho, A-Ra CHO, Jin-Ho Cha, Si-Myoung Heo, Jeong-Won Seo +1 more | 2023-04-11 |
| 11578397 | Hot press-formed part, and manufacturing method thereof | Seong-Woo Kim, Sang-Heon Kim, Hyo-Sik Chun | 2023-02-14 |
| 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, Sang-Heon Kim, Yeol-Rae Cho | 2023-01-10 |