Issued Patents All Time
Showing 76–79 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4994334 | Sealed alkaline storage battery and method of producing negative electrode thereof | Yasuko Ito, Kohji Yuasa, Isao Matsumoto, Takashi Hino | 1991-02-19 |
| 4935318 | Sealed type nickel-hydride battery and production process thereof | Hiroshi Kawano, Yasuko Ito, Isao Matsumoto | 1990-06-19 |
| 4925748 | Alkaline storage battery using hydrogen absorbing alloy | Hiroshi Kawano, Osamu Takahashi, Isao Matsumoto, Masakazu Ikeyama | 1990-05-15 |
| 4837119 | Sealed storage battery and method for making its electrode | Hiroshi Kawano, Isao Matsumoto, Nobuyuki Yanagihara | 1989-06-06 |