Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671165 | Electric double layer capacitor and production method thereof | Yutaka Nakazawa, Koji Sakata, Takashi Yasuda | 2003-12-30 |
| 6636417 | Electric double layer capacitor and battery | Koji Sakata, Yutaka Nakazawa, Satoshi Abe | 2003-10-21 |