Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447956 | Graphite particles and lithium secondary battery using the same as negative electrode | Yoshito Ishii, Atsushi Fujita, Kazuo Yamada | 2002-09-10 |
| 6444365 | Graphite particles and lithium secondary battery using the same as negative electrode | Yoshito Ishii, Atsushi Fujita, Kazuo Yamada | 2002-09-03 |
| 6344296 | Graphite particles and lithium secondary battery using the same as negative electrode | Yoshito Ishii, Atsushi Fujita, Kazuo Yamada | 2002-02-05 |