Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805993 | Rechargeable battery with temperature controlled switch | Tsuyoshi Kaito, Hiroshi Yoshizawa | 2004-10-19 |
| 6689513 | Lithium secondary battery | Kenichi Morigaki, Masaya Okochi | 2004-02-10 |