Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7862934 | Battery having a collector plate | Yoichiro Shibata, Fumiaki Nakata, Makoto Nakagawa, Etsuya Fujisaka | 2011-01-04 |
| 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, Yoichiri Shibata, Takuya Okamoto, Kenji Yamato, Etsuya Fujisaka +1 more | 2010-03-16 |
| 6632567 | Nickel-metal hydride storage battery | Koichi Nishimura, Mutsumi Yano, Hiroshi Nakamura, Mitsunori Tokuda, Yasuhiko Itoh | 2003-10-14 |