Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7678501 | Storage battery manufacturing method which uses a polar plate having a foamed-metal electrode substrate and joins a current collector to the electrode substrate, and storage battery obtained through the manufacturing method | Kei Tomihara, Kazuki Hamasaki, Takuya Okamoto, Kenji Yamato, Etsuya Fujisaka +1 more | 2010-03-16 |