Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12261477 | Backup power supply device and method for controlling backup power supply device | Katsuhiko Tamaki, Naoaki Konda | 2025-03-25 |
| 8692515 | Series-connected rechargeable cells, series-connected rechargeable cell device, voltage-balance correcting circuit for series-connected cells | Fumiaki Nakao | 2014-04-08 |