Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12375014 | Brushless motor control device and brushless motor control method | — | 2025-07-29 |
| 11901847 | Motor control device and motor control method | Hiroto Saotome | 2024-02-13 |
| 11764720 | Control device and control method for three-phase brushless motor | Hiroto Saotome | 2023-09-19 |
| 11139771 | Control device and control method for AC motor and AC motor drive system | Yoshitaka Iwaji, Naoki Okamoto, Takeshi Umetsu | 2021-10-05 |
| 11101758 | Motor control device and motor control method | Yuya Shinozaki | 2021-08-24 |
| 10848089 | Motor drive device and control method for motor drive device | — | 2020-11-24 |
| 10749453 | Drive device and drive method of brushless motor | Shingo Ooba | 2020-08-18 |
| 10651777 | Drive apparatus and drive method for brushless motor | — | 2020-05-12 |
| 10644627 | Control device of synchronous electric motor, integrated motor system, pump system, and positioning system | Yoshitaka Iwaji, Naoki Okamoto, Takeshi Umetsu | 2020-05-05 |
| 10447182 | Control device and method for brushless motor | Naoki Okamoto | 2019-10-15 |
| 10224843 | Motor drive device and phase current detecting method for three-phase brushless motor | — | 2019-03-05 |
| 9923502 | Synchronous motor control apparatus and drive system using the same | Yoshitaka Iwaji, Naoki Okamoto, Takeshi Umetsu | 2018-03-20 |
| 9729091 | Sensorless driving apparatus and sensorless driving method for brushless motor | Yoshitaka Iwaji | 2017-08-08 |
| 9685894 | Brushless motor controller and control method | Takeshi Umetsu | 2017-06-20 |
| 9543865 | Device for driving three-phase brushless motor | — | 2017-01-10 |
| 9035588 | Brushless motor driving apparatus and brushless motor driving method | Naoki Okamoto | 2015-05-19 |
| 9013128 | Brushless motor drive device | Naoki Okamoto | 2015-04-21 |
| 8878480 | Synchronous motor drive system and synchronous motor | Yoshitaka Iwaji, Shigehisa Aoyagi, Kazuaki Tobari, Ryoichi Takahata | 2014-11-04 |
| 8773060 | Brushless motor drive device and drive method | — | 2014-07-08 |
| 8710788 | Brushless motor drive apparatus and drive method | Yoshitaka Iwaji, Shigehisa Aoyagi | 2014-04-29 |
| 7676319 | Intake air amount control apparatus for engine and control method thereof | Kenichi Machida | 2010-03-09 |