Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6738252 | Carbon material for electric double layer capacitor, method of producing same, electric double layer capacitor and method of fabricating same | Makoto Takeuchi | 2004-05-18 |
| 6690775 | Delivery-information management method and delivery-information management program | — | 2004-02-10 |