Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6551721 | Surface-treated steel sheet for battery case, battery case comprising the same, methods for producing them, and battery | Tatsuo Tomomori, Hideo Ohmura, Tatsuya Ohshima | 2003-04-22 |
| 6528181 | Surface-treated steel sheet having lowered contact resistance and connecting terminal members made by using the same | Keiji Yamane, Tatsuo Tomomori, Hideo Ohmura, Yuji Yamazaki | 2003-03-04 |