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 | Akihiro Gotoh, Masahiro Kasai, Yasushi Muranaka, Yoshiji Hotta | 2002-10-01 |
| 6399251 | Lithium secondary battery | Masahiro Kasai, Akihiro Gotoh, Yoshiji Hotta | 2002-06-04 |