Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6791299 | Method for activating secondary battery | Yusai Murakami, Seiji Bito | 2004-09-14 |
| 6700383 | Method of detecting and resolving memory effect | Masayoshi Toyota, Norito Yamabe, Yusai Murakami | 2004-03-02 |