Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653018 | Electrochemical device | Tetsuya Takahashi, Tsuyoshi Iijima, Kazuya Ogawa, Satoshi Maruyama | 2003-11-25 |
| 6534219 | Secondary battery | Tsuyoshi Iijima, Satoshi Maruyama, Makoto Kobayashi | 2003-03-18 |