Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6692665 | Lithium managanese oxide, cathode material for lithium secondary battery, cathode, lithium secondary battery and process for manufacturing lithium manganese oxide | Koji Shima, Akira Utsunomiya | 2004-02-17 |