Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458488 | Positive electrode activator for lithium secondary battery and lithium secondary battery | Kyoko Honbo, Akihiro Gotoh, Masahiro Kasai, Yoshiji Hotta | 2002-10-01 |
| 6383467 | Non-aqueous secondary battery and a method of manufacturing graphite powder | Hidetoshi Honbo, Seiji Takeuchi, Hideto Momose, Tatsuo Horiba, Yoshito Ishii | 2002-05-07 |