Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8202646 | Battery can with cutting-edge portion higher than cutting start portion, manufacturing method and manufacturing device therefore, and battery using the same | Toshiki Ishikawa, Yoshio Goda, Tadahiro Tokumoto, Seiichi Kato | 2012-06-19 |