Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7862934 | Battery having a collector plate | Kazuki Hamasaki, Fumiaki Nakata, Makoto Nakagawa, Etsuya Fujisaka | 2011-01-04 |
| 6740449 | Nickel electrode for alkaline storage battery and method of manufacturing the same | Chihiro Fujisawa, Takuya Tamagawa | 2004-05-25 |
| 6613107 | Method of producing nickel electrode for alkaline storage batteries | Takuya Tamagawa, Chihiro Fujisawa, Katsuya Ito | 2003-09-02 |