Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699618 | Cathode electroactive material, production method therefor and secondary cell | Akihiko Shirakawa, Joseph Gaze, Yoshiaki Yamauchi, Fumiyoshi Ono | 2004-03-02 |
| 6673491 | Cathode electroactive material, production method therefor, and nonaqueous secondary cell using the same | Akihiko Shirakawa | 2004-01-06 |