Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6798643 | Metal collector foil for electric double layer capacitor, method of producing the metal collector foil, and electric double layer capacitor using the metal collector foil | Shigeki Oyama, Manabu Iwaida, Kenichi Murakami, Koichi Yoshida, Hiroyuki Saito +2 more | 2004-09-28 |
| 6770227 | Carbon material | Hiroshi Akita | 2004-08-03 |