Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D622659 | Battery pack for uninterruptible power supply | Katsuhiko Nakane, Koji Okano | 2010-08-31 |
| D573533 | Uninterruptible power supply | Katsuhiko Nakane, Koji Okano | 2008-07-22 |