Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7141229 | Graphite material for negative pole of lithium secondary battery, method of manufacturing the graphite material, and lithium secondary battery | Yoichi Kawano, Tsutomu Sugiura, Takeshi Hamada, Hiromasa Shoji, Taro Kohno | 2006-11-28 |
| 7008573 | Amorphous coke for special carbon material and production process for the same | Taisa Ikeda, Yoichi Kawano | 2006-03-07 |