Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8043741 | Surface-treated steel plate for battery case and battery case | Tatsuo Tomomori, Hideo Ohmura | 2011-10-25 |
| 7923145 | Surface treated steel sheet for battery case, battery case and battery using the case | Tatsuo Tomomori, Yoshitaka Honda | 2011-04-12 |