Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8082748 | Wind turbine generator | Takeshi Matsuo, Shinji Arinaga, Sadamu Takahashi, Masaaki Shibata | 2011-12-27 |
| 8053917 | Variable-speed power generator and method of controlling the same | Tsuyoshi Wakasa, Akira Yasugi, Takehiro Naka, Takumi Nakashima | 2011-11-08 |
| 8006552 | Wind turbine generator system and method thereof for judging lightning energy level | — | 2011-08-30 |
| 7982327 | Wind turbine generator system and control method of the same | Shinji Arinaga, Tsuyoshi Wakasa | 2011-07-19 |
| 7905701 | Wind turbine generator | — | 2011-03-15 |
| 7880321 | Wind power generator system | Shinji Arinaga, Tsuyoshi Wakasa | 2011-02-01 |