Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6776807 | Method of manufacturing a battery | Sachio Akahira, Takanobu Yoshino, Kazuhiro Imaizumi, Tsuyoshi Sugiyama | 2004-08-17 |
| 6755873 | Gel electrolyte battery | Toru Mizutani, Takashi Ono | 2004-06-29 |