Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6576369 | Graphite powder suitable for negative electrode material of lithium ion secondary batteries | Mitsuharu Yonemura, Kazuhito Kamei, Noriyuki Negi, Masaru Abe, Hideya Kaminaka | 2003-06-10 |