Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649303 | Alkaline storage battery with group of spiral electrodes | Hideo Kasuga, Nobuyasu Ishimaru | 2003-11-18 |
| 6508891 | Method of manufacturing hydrogen-absorbing alloy electrode | Tetsuyuki Murata, Yohei Hirota, Teruhiko Imoto, Koji Miki | 2003-01-21 |