Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12113450 | Power conversion device | Keisei Inoki, Takahiro Saeki, Toshihiro Hanada, Kengo Nakahara | 2024-10-08 |
| 12063000 | Electric power conversion with phase correction | Sadayuki Sato, Akira Yamazaki | 2024-08-13 |
| 10965238 | Power conversion apparatus, power estimating method for electric motor, and control method for electric motor | Shingo Fukumaru, Shinya Morimoto, Akira Yamazaki | 2021-03-30 |
| 10256760 | Power conversion apparatus, control apparatus, and control method using a correction vector | Shingo Fukumaru, Shinya Morimoto, Hirofumi Kinomura | 2019-04-09 |
| 9843273 | Power conversion apparatus, phase current detection apparatus, and phase current detection method | Shingo Fukumaru, Shinya Morimoto, Hirofumi Kinomura | 2017-12-12 |
| 9647597 | Motor control apparatus and method for controlling motor | Shuji Matsuda | 2017-05-09 |
| 9641120 | Motor control apparatus and method for controlling motor | Shuji Matsuda | 2017-05-02 |
| 9236821 | Magnetic pole position estimating apparatus for electric motor, controlling apparatus for electric motor, and magnetic pole position estimating method for electric motor | Takayuki Shiota, Shinya Morimoto | 2016-01-12 |
| 9190935 | Power regenerative converter and power conversion apparatus | Yoshiyasu TAKASE, Kozo Ide, Shinya Morimoto, Takahiro Saeki | 2015-11-17 |
| 9178458 | Controller of AC motor | Akira Yamazaki | 2015-11-03 |
| 9154065 | Motor control apparatus and magnetic-pole position estimating method | Akira Yamazaki, Hirofumi Kinomura | 2015-10-06 |
| 8988027 | Motor control apparatus and motor control method | Shingo Fukumaru, Shinya Morimoto, Akira Yamazaki | 2015-03-24 |
| 8693229 | Power regeneration apparatus and power conversion apparatus | Takahiro Saeki, Shoji Konakahara | 2014-04-08 |
| 8143839 | Alternating-current motor control apparatus | Kozo Ide, Sadayuki Sato, Shinya Morimoto | 2012-03-27 |
| 8106621 | Control device for induction motor | Sadayuki Sato, Yoichi Yamamoto, Kozo Ide | 2012-01-31 |
| 7843161 | Inverter device | Masanobu Inazumi | 2010-11-30 |
| 7800338 | Method of decelerating alternating current motor and inverter apparatus | Kazuhiko Hiramatsu, Mitsujiro Sawamura | 2010-09-21 |
| 7612518 | Inverter apparatus and method of reducing speed of alternating current motor | Kazuhiko Hiramatsu | 2009-11-03 |
| 7521889 | Method of braking induction motor and control apparatus | Shigekazu Nakamura | 2009-04-21 |
| 7463005 | Method and device for sensorless vector control for AC motor | Yoichi Yamamoto, Shigekazu Nakamura | 2008-12-09 |
| 7423395 | Sensorless vector control method for alternating-current motor and control apparatus therefor | Kazuhiro Nonaka, Yuichi Terazono, Yoichi Yamamoto, Satoshi Sueshima, Katsushi Terazono +1 more | 2008-09-09 |
| 7317292 | AC motor control method and control device | Tohru Kai | 2008-01-08 |
| 7039542 | Method of measuring motor constant for induction motor | Shuichi Fujii, Kozo Ide, Yoshiaki Yukihira | 2006-05-02 |
| 6815924 | Method of controlling AC motor and controller | Yoichi Yamamoto, Tomohiro Kawachi | 2004-11-09 |