Issued Patents 2016
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9337682 | Charging control device, solar power generation system and charging control method | Takeo Nishikawa, Wataru Okada, Makoto Ohashi, Yoshinori Sunahata | 2016-05-10 |
| 9331523 | Power control device and power control method | Takeo Nishikawa, Wataru Okada | 2016-05-03 |