Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6749952 | Tin-plated steel sheet | Hisatada Nakakoji, Chiaki Kato | 2004-06-15 |
| 6673470 | Surface treated tin-plated steel sheet and surface treatment solution | Hisatada Nakakoji, Kazuo Mochizuki, Chiaki Kato | 2004-01-06 |