Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623889 | Nonaqueous electrolyte secondary battery, carbon material for negative electrode, and method for manufacturing carbon material for negative electrode | Takahisa Ohsaki, Norio Takami | 2003-09-23 |
| 6541157 | Nonaqueous electrolyte battery having large capacity and long cycle life | Hiroki Inagaki, Norio Takami, Tatsuoki Kohno | 2003-04-01 |