Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8659858 | Ground-fault detecting device, current collecting box using the ground-fault detecting device, and photovoltaic power generating device using the current collecting box | Takahisa Matsuo, Tsuyoshi Sekine | 2014-02-25 |
| 8461716 | Photovoltaic power generating device, and controlling method | Takahisa Matsuo, Tsuyoshi Sekine | 2013-06-11 |