Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6751084 | Electric double layer capacitor and method for preparing the same | Ryuichi Kasahara, Koji Sakata | 2004-06-15 |
| 6741450 | Electric double-layer capacitor and method for preparing the same | Ryuichi Kasahara, Koji Sakata | 2004-05-25 |
| 6717795 | Electric double-layer capacitor, and process for producing the same | Ryuichi Kasahara, Koji Sakata | 2004-04-06 |