Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733925 | Non-aqueous electrolytic solution secondary battery with electrodes having a specific thickness and porosity | Kensuke Hironaka, Kenji Nakai, Yoshimasa Koishikawa, Yuichi Takatsuka, Kenji Hara +3 more | 2004-05-11 |
| 6706446 | Non-aqueous electrolytic solution secondary battery | Kenji Nakai, Yoshimasa Koishikawa, Yuichi Takatsuka, Kensuke Hironaka, Youshin Yagi | 2004-03-16 |