Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6849361 | Manufacturing method for sintered substrate of alkaline storage battery | Hiroshi Fukuda, Masao Takee | 2005-02-01 |
| 6649303 | Alkaline storage battery with group of spiral electrodes | Tadashi Ise, Nobuyasu Ishimaru | 2003-11-18 |