Issued Patents All Time
Showing 1–25 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12355377 | Adjustable speed generator motor system with full power converter | Akira Bando, Takahiko Kikui, Kenta Watanabe, Yasuhiro Kiyofuji, Masakazu Ishikawa +3 more | 2025-07-08 |
| 11223310 | Variable speed generator/motor device | Akira Bando, Takashi OYAKE | 2022-01-11 |
| 9573489 | Control device for railway power conditioner and control system for railway power conditioner | Yasuhiro Nakatsuka, Yasuhiro Imazu, Osamu Sakuchi, Yasuhiro Kiyofuji, Akira Bando +6 more | 2017-02-21 |
| 9219426 | Switching element, power converter, direct current transmission system, current control device, method of controlling power converter, and method of controlling current in voltage source converter | Takayoshi Yamamoto, Akira Bando, Keiichi Yamashita, Shigenori Inoue, Toru Yoshihara +4 more | 2015-12-22 |
| 9203334 | Wind power generator system, and control method for the same | Kiyoshi Sakamoto, Takuji Yanagibashi, Tsutomu Hasegawa, Takashi Matsunobu, Kenichi Azegami +1 more | 2015-12-01 |
| 9166492 | Multilevel voltage source converter and method for balancing capacitors | Takayoshi Yamamoto, Akira Bando, Shigenori Inoue, Toru Yoshihara | 2015-10-20 |
| 8896261 | Doubly-fed generator and doubly-fed electric machine | Akira Bando, Yasuhiro Kiyofuji, Yasuaki Nakayama | 2014-11-25 |
| 8867247 | DC/AC power converter with DC side double frequency pulsation suppression caused by AC side faults | Akira Bando, Yasuhiro Kiyofuji, Hiromitsu Sakai, Yasuhiro Imazu | 2014-10-21 |
| 8504212 | Controller and control techniques for windfarm | Shinichi Kondo, Yasunori Ono, Noriyuki Uchiyama, Mitsugu Matsutake, Takashi Aihara | 2013-08-06 |
| 8502404 | Wind power generating system and control method for the same | Yasuaki Nakayama, Mitsugu Matsutake | 2013-08-06 |
| 8466573 | Wind turbine generator system | Akira Kikuchi, Motoo Futami, Mitsugu Matsutake, Kouichi Miyazaki | 2013-06-18 |
| 8332077 | Controller and control method for a wind farm including a plurality of wind turbine generators | Shinichi Kondo, Yasunori Ono, Noriyuki Uchiyama, Mitsugu Matsutake, Takashi Aihara | 2012-12-11 |
| 8299642 | Wind power generation system | Motoo Futami, Hiromitsu Sakai, Kazuhiro Imaie | 2012-10-30 |
| 8242620 | Wind turbine generator system | Akira Kikuchi, Motoo Futami, Mitsugu Matsutake, Kouichi Miyazaki | 2012-08-14 |
| 8129851 | Wind power generation system and control method thereof | Motoo Futami, Hiromitsu Sakai, Kojiro Yamashita | 2012-03-06 |
| 8116914 | Wind turbine and operating method thereof | Shinya Oohara, Motoo Futami, Kazuya Tsutsumi, Takashi Shiraishi, Shigeo Yoshida +2 more | 2012-02-14 |
| 8097971 | Wind turbine generator system | Motoo Futami, Hiromitsu Sakai | 2012-01-17 |
| 8093740 | Wind power generation system and operation method thereof | Shinya Oohara, Motoo Futami, Tadashi Sodeyama | 2012-01-10 |
| 8076790 | Wind turbine generator system | Motoo Futami, Hiromitsu Sakai | 2011-12-13 |
| 7964980 | Wind turbine generator system | Motoo Futami, Hiromitsu Sakai | 2011-06-21 |
| 7958717 | Gas turbine power generator plant and silencer for the same | Susumu Nakano, Masanori Watanabe, Kuniyoshi Tsubouchi, Toshihiko Fukushima, Masatoshi Watanabe | 2011-06-14 |
| 7952216 | Wind turbine generator system | Akira Kikuchi, Motoo Futami, Mitsugu Matsutake, Kouichi Miyazaki | 2011-05-31 |
| 7952214 | Wind power generation system and method of controlling power converter | Shinya Oohara, Motoo Futami, Mitsugu Matsutake, Hiromitsu Sakai | 2011-05-31 |
| 7948217 | Distributed generation system and power system stabilizing method | Shinya Oohara, Motoo Futami, Mitsugu Matsutake, Shoji Fukuda | 2011-05-24 |
| 7847427 | Wind turbine generator system | Motoo Futami, Hiromitsu Sakai | 2010-12-07 |