Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6869725 | Sealed battery | Masato Iwanaga, Syuichi Yamashita, Masanori Ogi | 2005-03-22 |
| 6632572 | Lithium secondary battery | Masatoshi Takahashi, Koji Abe, Akira Ueki, Toshikazu Hamamoto | 2003-10-14 |