Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649275 | Zinc phosphate-treated galvanized steel sheet excellent in corrosion resistance and color tone | Hidetoshi Shindo | 2003-11-18 |
| 6596414 | Phosphate-treated galvanized steel sheet excellent in corrosion resistance and paintability | Hidetoshi Shindo, Kimitaka Hayashi | 2003-07-22 |