Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9219426 | Switching element, power converter, direct current transmission system, current control device, method of controlling power converter, and method of controlling current in voltage source converter | Takayoshi Yamamoto, Masaya Ichinose, Akira Bando, Keiichi Yamashita, Shigenori Inoue +4 more | 2015-12-22 |
| 7145262 | Wind turbine generator system | Akira Kikuchi, Motoo Futami, Yasuhiro Imazu | 2006-12-05 |
| 7095132 | Wind turbine generator system | Akira Kikuchi, Motoo Futami, Yasuhiro Imazu | 2006-08-22 |