Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9985545 | DC-to-DC converter, power converter, power generation system, and method for DC-to-DC conversion | Seiji FUJISAKI, Sadao Ishii | 2018-05-29 |
| 9509233 | Power converter, power generation system, control apparatus, and power conversion method | Tetsumi NARITA, Seiji FUJISAKI, Mamoru Takaki, Shinya Morimoto | 2016-11-29 |
| 9195223 | Motor controller and motor system | Noor Aamir BALOCH, Shinya Morimoto | 2015-11-24 |
| 9190935 | Power regenerative converter and power conversion apparatus | Yoshiyasu TAKASE, Shinya Morimoto, Hideaki Iura, Takahiro Saeki | 2015-11-17 |
| 9041325 | Control device for alternating current motor | Akira Yamazaki | 2015-05-26 |
| 8450955 | Alternating-current motor control apparatus | Shinya Morimoto, Sungmin Kim, Seung Ki Sul | 2013-05-28 |
| 8330402 | Alternating-current motor control apparatus | Shinya Morimoto, Masanobu Inazumi, Young Doo Yoon, Seung Ki Sul | 2012-12-11 |
| 8310183 | Motor control device | Masaki Hisatsune | 2012-11-13 |
| 8143837 | Inverter control apparatus | — | 2012-03-27 |
| 8143839 | Alternating-current motor control apparatus | Sadayuki Sato, Hideaki Iura, Shinya Morimoto | 2012-03-27 |
| 8106621 | Control device for induction motor | Sadayuki Sato, Hideaki Iura, Yoichi Yamamoto | 2012-01-31 |
| 7872438 | Initial pole position estimating apparatus and method for AC synchronous motor | Shinya Morimoto, Hyun-soo Song, Mamoru Takaki | 2011-01-18 |
| 7348749 | Control device for synchronous motor | Mitsujiro Sawamura, Toshihiro Sawa, Jun Oyama | 2008-03-25 |
| 7190130 | Electric motor pole position sensing method, pole position sensing apparatus, and electric motor control apparatus using the same | Mengesha Mamo Wogari, Mitujiro Sawamura | 2007-03-13 |
| 7157876 | Motor magnetic pole position estimation device and control device | Mitsujiro Sawamura, Mengesha Mamo Wogari, Jun Oyama | 2007-01-02 |
| 7045988 | Sensorless controller of AC motor and control method | Jung Ik Ha | 2006-05-16 |
| 7039542 | Method of measuring motor constant for induction motor | Shuichi Fujii, Hideaki Iura, Yoshiaki Yukihira | 2006-05-02 |
| 6822415 | Motor controller | Takehiko Komiya, Ryuichi Oguro, Keisei Inoki, Tetsuro Izumi, Kazuhiro Tsuruta +2 more | 2004-11-23 |
| 6801011 | Magnetic pole position estimating method and control apparatus for synchronous motor | — | 2004-10-05 |
| 6242885 | Method for estimating induced electromotive force and speed of induction motor, method for correcting misalignment of shaft thereof, and induction motor controller | Shinya Morimoto, Ryuichi Oguro | 2001-06-05 |