Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9667159 | Power conversion apparatus including a transformer, an invertor circuit and a plurality of switching devices controlled by a controller | Keiji Akamatsu, Takaaki Norisada, Sohei Okamoto, Goh Yamada | 2017-05-30 |
| 9548676 | Power conversion apparatus | Keiji Akamatsu, Takaaki Norisada | 2017-01-17 |
| 9543823 | Power conversion apparatus having a switching circuit unit that includes a switching device and an auxiliary switching device | Goh Yamada, Sohei Okamoto, Keiji Akamatsu, Takaaki Norisada | 2017-01-10 |