Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12431781 | Magnetic geared electrical machine and power generation system | Masayuki Sakai, Yasutaka Aoki, Mikito Sasaki | 2025-09-30 |
| 12413129 | Magnetic geared electrical machine and power generation system using the same | Masayuki Sakai, Yasutaka Aoki, Atsushi Yuge | 2025-09-09 |
| 12206311 | Outer diameter side magnet field and magnetic gear | Masayuki Sakai, Yasutaka Aoki, Takayuki Shimizu, Ryoji OKABE, Akihiko Umeda +1 more | 2025-01-21 |
| 10401414 | Method of testing wind-turbine receptor | Keisuke Ota, Osamu Hasegawa, Kengo IMAOKA, Koji Fukami | 2019-09-03 |
| 9279410 | Wind turbine generator, method of wind turbine generation, and program of the wind turbine generator | Shinji Arinaga, Akira Yasugi | 2016-03-08 |
| 9024459 | Wind turbine generator, method, and program thereof | Shinji Arinaga, Akira Yasugi | 2015-05-05 |
| 8922042 | Control system, method and program, and floating wind turbine generator provided therewith | Kazunari Ide | 2014-12-30 |
| 8796872 | Wind turbine generator | Shinji Arinaga, Tsuyoshi Wakasa, Masaaki Shibata | 2014-08-05 |
| 8749089 | Coordinated control of power converter and pitch angle for wind turbine generation system | Shinji Arinaga, Tsuyoshi Wakasa, Akira Yasugi, Masaaki Shibata | 2014-06-10 |
| 8676392 | Wind-power generation system and operation control method therefor | Shinji Arinaga, Tsuyoshi Wakasa, Akira Yasugi, Masaaki Shibata | 2014-03-18 |
| 8536722 | Wind-turbine-generator control system, wind turbine generator, wind farm, and wind-turbine-generator control method | Tsuyoshi Wakasa, Hisanobu Shinoda, Hidekazu Ichinose, Yukio Yamashita | 2013-09-17 |
| 8527104 | Wind turbine generator system and operation control method therefor | Shinji Arinaga, Tsuyoshi Wakasa, Masaaki Shibata, Akira Yasugi | 2013-09-03 |
| 8517681 | Wind turbine blade and wind turbine generator having the same | Takehiro Naka, Nobuyasu Nakamura, Yoshihiko Hayashi, Shinji Arinaga | 2013-08-27 |
| 8511989 | Temperate control for wind turbine generator | — | 2013-08-20 |
| 8502406 | Variable-speed power generator and method of controlling the same | Tsuyoshi Wakasa, Akira Yasugi, Takehiro Naka, Takumi Nakashima | 2013-08-06 |
| 8476780 | Wind turbine generator and method of estimating wind direction in wind turbine generator | Masayuki Hashimoto, Tsuyoshi Wakasa | 2013-07-02 |
| 8430639 | Pitch drive apparatus of wind generator and wind generator | Tomohiro Numajiri | 2013-04-30 |
| 8405239 | Wind-turbine-dynamic-characteristics monitoring apparatus and method therefor | Masayuki Hashimoto, Tsuyoshi Wakasa, Shinji Arinaga | 2013-03-26 |
| 8378643 | Wind turbine generator, control method for wind turbine generator, wind turbine generator system, and control method for wind turbine generator system | Shinji Arinaga, Tsuyoshi Wakasa | 2013-02-19 |
| 8368238 | Wind turbine generator system | Akira Yasugi | 2013-02-05 |
| 8364323 | Wind power generation system and operation control method thereof | Shinji Arinaga, Tsuyoshi Wakasa, Masaaki Shibata, Akira Yasugi | 2013-01-29 |
| 8360715 | Wind turbine generator | Takeshi Matsuo, Shinji Arinaga, Shinsuke Sato, Masaaki Shibata | 2013-01-29 |
| 8355829 | Wind-power generation system and operation control method therefor | Shinji Arinaga, Tsuyoshi Wakasa, Masaaki Shibata, Akira Yasugi | 2013-01-15 |
| 8322985 | Wind turbine generator | Masahiro Kawai | 2012-12-04 |
| 8242619 | Coordinated control of power converter and pitch angle for wind turbine generation system | Shinji Arinaga, Tsuyoshi Wakasa, Akira Yasugi, Masaaki Shibata | 2012-08-14 |