Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7964300 | Battery pack | Hiroshi Nakazawa | 2011-06-21 |
| D622659 | Battery pack for uninterruptible power supply | Koichi Soeda, Koji Okano | 2010-08-31 |
| D573533 | Uninterruptible power supply | Koichi Soeda, Koji Okano | 2008-07-22 |