Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7092239 | Electric double layer capacitor with improved activated carbon electrodes | Yutaka Nakazawa, Koji Sakata | 2006-08-15 |
| 6657850 | Electric double layer capacitor and method of forming the same | Yutaka Nakazawa, Koji Sakata | 2003-12-02 |