Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7563543 | Negative electrode of lithium ion secondary battery obtained by isostatically pressing a spherical graphite to eliminate voids therein | Junichi Yasumaru, Shingo Asada, Naoki Matoba, Satoshi Kubota | 2009-07-21 |