Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6656632 | Cell module structure | Satoru Asaka, Kenji Matsumoto | 2003-12-02 |
| 6603653 | Electric double layer capacitor | Kenji Matsumoto, Tomokazu Shohoji, Kentaro Shibuya, Yoshio Yamamoto | 2003-08-05 |
| 6552894 | Electric double layer capacitor | Kenji Matsumoto, Tomokazu Shohoji, Kentaro Shibuya, Yoshio Yamamoto | 2003-04-22 |