Issued Patents 2016
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9487098 | Power conversion apparatus | Takaaki Norisada, Hajime Hida, Sohei Okamoto, Keiji Akamatsu | 2016-11-08 |
| 9431917 | Switching power supply including a rectifier circuit having switching elements, and electric power converter | Sohei Okamoto, Daisuke Fukuda, Takaaki Norisada, Keiji Akamatsu | 2016-08-30 |