Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8747490 | Assembling method for battery outer case for receiving a flat battery pack joined by seam-rolling | Ryuichi Amagai, Etsuo Oogami, Teruo Segawa, Kazuhiko Tsukada | 2014-06-10 |
| 7910241 | Battery outer case for receiving a flat battery pack joined by seam-rolling | Ryuichi Amagai, Etsuo Oogami, Teruo Segawa, Kazuhiko Tsukada | 2011-03-22 |