Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8277167 | Wind turbine operating apparatus and operating method | Masaaki Shibata, Toyoaki Furukawa, Yoshiyuki Hayashi, Kazuhisa Tsutsumi | 2012-10-02 |
| 7436083 | Up-wind type windmill and operating method therefor | Masaaki Shibata, Toyoaki Furukawa, Yoshiyuki Hayashi, Kazuhisa Tsutsumi | 2008-10-14 |
| 7436085 | Wind turbine provided with a controller for adjusting active annular plane area and the operating method thereof | Masaaki Shibata, Yoshiyuki Hayashi, Toyoaki Furukawa, Eiji Kato, Yoshinari Teramoto +2 more | 2008-10-14 |
| 7425774 | Wind turbine provided with a controller for adjusting active annular plane area and the operating method thereof | Masaaki Shibata, Yoshiyuki Hayashi, Toyoaki Furukawa, Eiji Kato, Yoshinari Teramoto +2 more | 2008-09-16 |
| 7425775 | Wind turbine provided with a controller for adjusting active annular plane area and the operating method thereof | Masaaki Shibata, Yoshiyuki Hayashi, Toyoaki Furukawa, Eiji Kato, Yoshinari Teramoto +2 more | 2008-09-16 |
| 7071578 | Wind turbine provided with a controller for adjusting active annular plane area and the operating method thereof | Masaaki Shibata, Yoshiyuki Hayashi, Toyoaki Furukawa, Eiji Kato, Yoshinari Teramoto +2 more | 2006-07-04 |