Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803149 | Non-aqueous electrolytic solution secondary battery | Kenji Nakai, Youshin Yagi, Kensuke Hironaka | 2004-10-12 |
| 6733925 | Non-aqueous electrolytic solution secondary battery with electrodes having a specific thickness and porosity | Kensuke Hironaka, Kenji Nakai, Yuichi Takatsuka, Kenji Hara, Tomohiro Iguchi +3 more | 2004-05-11 |
| 6706446 | Non-aqueous electrolytic solution secondary battery | Kenji Nakai, Yuichi Takatsuka, Kensuke Hironaka, Takeshi Nakano, Youshin Yagi | 2004-03-16 |