Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6759169 | Graphite powder for negative electrode of lithium ion secondary cell and method of production thereof | Katsutomo Ohzeki, Shigemi Oyama | 2004-07-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6759169 | Graphite powder for negative electrode of lithium ion secondary cell and method of production thereof | Katsutomo Ohzeki, Shigemi Oyama | 2004-07-06 |