Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6603653 | Electric double layer capacitor | Toshiyuki Matsuoka, Kenji Matsumoto, Tomokazu Shohoji, Yoshio Yamamoto | 2003-08-05 |
| 6552894 | Electric double layer capacitor | Toshiyuki Matsuoka, Kenji Matsumoto, Tomokazu Shohoji, Yoshio Yamamoto | 2003-04-22 |