Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6555249 | Surface treated steel sheet and method for production thereof | Kyoko Hamahara, Hisatada Nakakoji | 2003-04-29 |
| 6548460 | Coating composition and lubricated metal sheets | Kazuhiko Higai, Sachiko Suzuki, Hiroyuki Ogata, Shigeru Umino, Fuminori Mukaihara +3 more | 2003-04-15 |
| 6537674 | Surface treated steel sheet | Kyoko Hamahara, Hisatada Nakakoji | 2003-03-25 |