Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5489492 | Composite sheet electrode | Keiichi Asami, Hideki Takahashi, Yoshiaki Echigo, Toshiyuki Ohsawa, Toshiyuki Kabata +1 more | 1996-02-06 |
| 5348818 | Carbonaceous material and a cell using the same | Keiichi Asami, Hideki Takahashi, Yoshiaki Echigo, Toshiyuki Ohsawa, Toshiyuki Kabata | 1994-09-20 |