Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9780692 | Control device of neutral-point-clamped power converter apparatus, and control method of neutral-point-clamped power converter apparatus | Ryuta Hasegawa, Takashi Fujita | 2017-10-03 |
| 9548685 | Over-voltage prevention device and current rectifying circuit | Ryuta Hasegawa, Takashi Fujita, Takahisa Kageyama, Yutaro Kitamori, Sho Sato | 2017-01-17 |