Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11831265 | Motor control device | Midori Takaoka, Takafumi Hara, Hirokazu Matsui, Shigeyuki Nonomura | 2023-11-28 |
| 11611292 | Power conversion device | Toshiyuki Ajima, Kotaro Shiino | 2023-03-21 |
| 11451179 | Motor control device and brake control device | Takafumi Hara, Toshiyuki Ajima, Hiroyuki Ota, Kenichiro Matsubara | 2022-09-20 |
| 11325641 | Control device for electric power steering apparatus and electric power steering apparatus | Takafumi Hara, Toshiyuki Ajima, Mitsuo Sasaki, Yoshitaka Iwaji, Takumi Hisazumi | 2022-05-10 |
| 11290036 | Control device | Takafumi Hara, Yoshitaka Sugiyama, Masaki KASHIMA | 2022-03-29 |
| 11228271 | Control device for three-phase synchronous motor and electric power steering device using the same | Takafumi Hara, Toshiyuki Ajima, Hiroyuki Ota, Yoshitaka Sugiyama | 2022-01-18 |
| 10924048 | Inverter control device, motor drive device, and electric power steering apparatus | Hiroshi Tamura, Hiroshi Aoyagi, Tomishige Yatsugi | 2021-02-16 |
| 10745045 | Control device for power steering device, and power steering device | Mitsuo Sasaki, Takumi Hisazumi | 2020-08-18 |
| 10700627 | Power converter and electric power steering apparatus | Tomonobu Koseki | 2020-06-30 |
| 10511249 | Inverter driving device, electric brake apparatus, and electric power steering apparatus | Masahiro SEO, Toshiyuki Ajima, Takafumi Hara, Masaki KASHIMA, Yawara KATO | 2019-12-17 |
| 10411621 | Drive device for three-phase synchronous motor | Takafumi Hara, Toshiyuki Ajima, Mitsuo Sasaki, Takumi Hisazumi | 2019-09-10 |
| 10348218 | Power conversion device and electric power steering device using the same | Takuro Kanazawa, Kimihisa Furukawa | 2019-07-09 |
| 9831814 | Electric motor drive control device, electrically driven power steering device, electrically driven brake device, and electrically driven pump device | Toshiyuki Ajima, Mitsuo Sasaki, Tomonobu Koseki, Tomio SAKASHITA | 2017-11-28 |
| 9531305 | Inverter apparatus | Toshiyuki Ajima, Kimihisa Furukawa, Tohma Yamaguchi, Daisuke Goto, Masaki KASHIMA | 2016-12-27 |
| 8884575 | Drive system for synchronous electrical motor | Ryoichi Takahata, Yoshitaka Iwaji, Kazuaki Tobari | 2014-11-11 |
| 8878480 | Synchronous motor drive system and synchronous motor | Yoshitaka Iwaji, Kazuaki Tobari, Ryoichi Takahata, Masaki Hano | 2014-11-04 |
| 8766575 | Synchronous electric motor drive system | Yoshitaka Iwaji, Kazuaki Tobari, Ryoichi Takahata | 2014-07-01 |
| 8710788 | Brushless motor drive apparatus and drive method | Masaki Hano, Yoshitaka Iwaji | 2014-04-29 |
| 8710781 | Power conversion device and method for controlling thereof | Yoichiro Arakawa, Koichiro Nagata, Yuusuke Arao | 2014-04-29 |
| 8436563 | Control unit and control method for permanent magnet synchronous motor | Satoshi Sumita, Kazuaki Tobari, Daisuke Maeda | 2013-05-07 |
| 8305019 | Torque controller for permanent magnet synchronous motor | Kazuaki Tobari, Kentaro Oi | 2012-11-06 |
| 8106619 | Position sensorless controller for permanent magnet motor | Kazuaki Tobari | 2012-01-31 |
| 7919941 | Semiconductor power converter | Yoshitaka Iwaji, Kazuaki Tobari, Kiyoshi Sakamoto, Donsheng Li | 2011-04-05 |
| 7821223 | Vector controller for a permanent magnet motor and inverter module | Kazuaki Tobari, Tsunehiro Endo, Kiyoshi Sakamoto, Daisuke Maeda | 2010-10-26 |
| 7388341 | Control system for permanent magnet synchronous motor and module | Kazuaki Tobari, Kiyoshi Sakamoto, Tsunehiro Endo, Yoshitaka Iwaji, Yukio Kawabata | 2008-06-17 |