Issued Patents 2025
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385115 | Steel for hot forming, hot-formed member, and manufacturing methods therefor | Seong-Woo Kim, Jin-Keun Oh, Hyo-Sik Chun, Seong-Beom Bae | 2025-08-12 |
| 12330391 | 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, Yeol-Rae Cho | 2025-06-17 |
| 12269081 | Plated steel sheets for hot press forming having excellent hydrogen brittleness resistance and impact resistance, hot press formed parts, and manufacturing methods thereof | Jin-Keun Oh, Seong-Woo Kim, Sang-Bin Han | 2025-04-08 |
| 12241162 | Aluminum-iron-plated steel sheet, having excellent mold wear resistance, for hot press forming, and manufacturing method thereof | Jin-Keun Oh, Seong-Woo Kim, Hyo-Sik Chun | 2025-03-04 |