Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811925 | Nonaqueous electrolyte secondary cell and a tungsten or molybdenum substituted lithium positive electrode active material | Koji Yamato, Koji Hayashi, Hajime Kitamura, Takahiro Miyashita, Yoshinori Naruoka +1 more | 2004-11-02 |
| 6674265 | Operation method for secondary battery and secondary battery device | Hiroaki Yoshida | 2004-01-06 |