Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8242619 | Coordinated control of power converter and pitch angle for wind turbine generation system | Shinji Arinaga, Takatoshi Matsushita, Akira Yasugi, Masaaki Shibata | 2012-08-14 |
| 8222758 | Wind turbine generator | Shinji Arinaga, Takatoshi Matsushita, Masaaki Shibata, Akira Yasugi | 2012-07-17 |
| 8115331 | Wind turbine generator, active damping method thereof, and windmill tower | Kazunari Ide, Yoshiyuki Hayashi, Masaaki Shibata | 2012-02-14 |
| 8053917 | Variable-speed power generator and method of controlling the same | Akira Yasugi, Takatoshi Matsushita, Takehiro Naka, Takumi Nakashima | 2011-11-08 |
| 8026623 | Wind turbine generator, active damping method thereof, and windmill tower | Kazunari Ide, Yoshiyuki Hayashi, Masaaki Shibata | 2011-09-27 |
| 7982327 | Wind turbine generator system and control method of the same | Shinji Arinaga, Takatoshi Matsushita | 2011-07-19 |
| 7880321 | Wind power generator system | Shinji Arinaga, Takatoshi Matsushita | 2011-02-01 |
| 7728452 | Wind power generator system and control method of the same | Shinji Arinaga, Takatoshi Matsushita | 2010-06-01 |
| 7709972 | Wind turbine system for satisfying low-voltage ride through requirement | Shinji Arinaga, Takatoshi Matsushita | 2010-05-04 |
| 7692322 | Wind turbine generator, active damping method thereof, and windmill tower | Kazunari Ide, Yoshiyuki Hayashi, Masaaki Shibata | 2010-04-06 |