Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11634818 | Solution composition containing trivalent chromium for surface treatment of steel sheet, galvanized steel sheet surface—treated with same, and method for manufacturing galvanized | Won-Ho Son | 2023-04-25 |
| 11634819 | Solution composition for steel sheet surface treatment, zinc-based plated steel sheet surface-treated with same, and manufacturing method therefor | Dae-Chul Bae, Dong-Yun Kim, Chang Hyun Park | 2023-04-25 |