Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6767668 | Solid electrolyte battery and production method thereof | Takahiro Endo, Tsuyonobu Hatazawa | 2004-07-27 |
| 6699622 | Solid or gel electrolyte and battery using the same | Takahiro Endo | 2004-03-02 |