Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10400301 | Dual-phase steel sheet with excellent formability and manufacturing method therefor | Yeon-Sang AHN | 2019-09-03 |
| 10351924 | Hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having improved hole expansion ratio, and manufacturing methods thereof | Seong-Ho Han | 2019-07-16 |