Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8710693 | Power generating apparatus of renewable energy type and method of attaching and detaching blade | Yoshiyuki Amano, Taku Ichiryuu, Takuro Kameda | 2014-04-29 |
| 8622719 | Hydraulic pump structure for wind turbine generator or tidal current generator and method of mounting hydraulic pump | Noguchi Toshihide, Yasuhiro Korematsu, Masayuki Shimizu, Alasdair Ian Fletcher Robertson, Uwe Stein +1 more | 2014-01-07 |
| 8624413 | Regeneration energy type electric generation apparatus and its rotor fixing method | — | 2014-01-07 |
| 8497596 | Power generating apparatus of renewable energy type and method for installing hydraulic pump | Taku Ichiryuu | 2013-07-30 |
| 8450868 | Wind turbine generator and tidal current generator and operation method thereof | Masayuki Shimizu, Niall James Caldwell, Daniil Dumnov, Stephen Michael Laird, Venkata Pappala | 2013-05-28 |
| 8403644 | Power generating apparatus of renewable energy type | Takuro Kameda, Taku Ichiryuu | 2013-03-26 |
| 8362633 | Wind turbine generator with a control unit for controlling a rotation speed of a main shaft | Masayuki Shimizu, Daniil Dumnov | 2013-01-29 |
| 8358024 | Wind turbine generator and tidal current generator with a hydraulic transmission | Atsushi Maekawa, Masayuki Shimizu, Stephen Hugh Salter, Uwe Stein, William Hugh Salvin Rampen +2 more | 2013-01-22 |
| 8277167 | Wind turbine operating apparatus and operating method | Masaaki Shibata, Toyoaki Furukawa, Yoshiyuki Hayashi, Yuuji Yatomi | 2012-10-02 |
| 8181455 | Power generating apparatus of renewable energy type and method for installing hydraulic pump | Taku Ichiryuu | 2012-05-22 |
| 8133031 | Lightning protection device of windmill blade | Shinji Arinaga, Masaaki Shibata, Nobuyasu Nakamura, Takatoshi Matsushita, Takao Kuroiwa +2 more | 2012-03-13 |
| 7436083 | Up-wind type windmill and operating method therefor | Masaaki Shibata, Toyoaki Furukawa, Yoshiyuki Hayashi, Yuuji Yatomi | 2008-10-14 |