Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6777135 | Nonaqueous electrolyte secondary cell | Mikio Okada | 2004-08-17 |
| 6676713 | Process for producing electrode of nonaqueous electrolyte battery | Mikio Okada, Takeshi Hasumi | 2004-01-13 |