Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6939526 | Graphite particles and process for production thereof | Kenji Fukuda, Tadanori Tsunawaki, Tatsuo Umeno, Youichiro Hara | 2005-09-06 |
| 6884545 | Anode material for lithium secondary battery, process for production thereof, and lithium secondary battery | Kenji Fukuda, Tadanori Tsunawaki, Tatsuo Umeno, Yoshinori Yasumoto, Youichiro Hara | 2005-04-26 |