Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743551 | Alkaline storage battery | Takaaki Ikemachi | 2004-06-01 |
| 6645672 | Alkaline storage battery and method for manufacturing the same | Shigekazu Yasuoka, Yoshinori Yokoyama, Takaaki Ikemachi | 2003-11-11 |