Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6656635 | Non-aqueous electrolyte secondary cell | Tsuyoshi Okawa, Mamoru Hosoya, Yuzuru Fukushima | 2003-12-02 |
| 6534217 | Positive electrode material and secondary battery using the same | Keizou Koga, Yosuke Hosoya, Masayuki Nagamine | 2003-03-18 |