Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6228343 | Method for producing isotropic pitch, activated carbon fibers and carbon materials for non-aqueous secondary battery anodes | Koichi Kanno, Yasuhiro Hirai, Yukio Sakai, Nobuyuki Koike, Yuzuru Takahashi +4 more | 2001-05-08 |
| 5944980 | Method for producing isotropic pitch, activated carbon fibers and carbon materials for non-aqueous secondary battery anodes | Koichi Kanno, Yasuhiro Hirai, Yukio Sakai, Nobuyuki Koike, Yuzuru Takahashi +4 more | 1999-08-31 |