Issued Patents All Time
Showing 25 most recent of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12341447 | Power conversion device | Yusaku Onuma, Takuya Sugimoto, Hiroshi Watanabe, Mutsuo Tokashiki | 2025-06-24 |
| 12341448 | Power conversion device | Yuta IWASE, Yoshiyuki Taguchi | 2025-06-24 |
| 12334847 | Power converter apparatus | Hironori Ohashi, Hiroshi Watanabe, Masato Ohya | 2025-06-17 |
| 12308771 | Motor control device | Mitsuru MATSUBARA, Yuuri TAKANO, Yusuke UEI, Terutomo KONDO, Tetsuo YANADA | 2025-05-20 |
| 11831262 | Motor control device | Mitsuru MATSUBARA, Yuuri TAKANO, Yusuke UEI, Tetsuo YANADA, Hironori Ohashi | 2023-11-28 |
| 11777427 | Motor control device and automatic adjustment method for same | Mitsuru MATSUBARA, Yuuri TAKANO, Yusuke UEI, Tetsuo YANADA | 2023-10-03 |
| 11575338 | Power conversion device | Agnes HADINATA, Atsuhiko Nakamura, Hiroshi Watanabe, Yusaku Onuma, Takuya Sugimoto +1 more | 2023-02-07 |
| 11437944 | Power conversion device | Yoshitaka Iwaji, Agnes HADINATA, Yusaku Onuma, Takuya Sugimoto, Atsuhiko Nakamura +2 more | 2022-09-06 |
| 11424707 | Power conversion apparatus | Yoshitaka Iwaji, Agnes HADINATA, Yusaku Onuma, Atsuhiko Nakamura, Takuya Sugimoto | 2022-08-23 |
| 11303236 | Induction motor overheat monitoring method, induction motor monitoring device, and induction motor control system | Guangbin Zhou, Yoshitaka Iwaji, Satoru Kaneko | 2022-04-12 |
| 11273712 | AC electric motor control device | Yoshitaka Iwaji, Yuuta Iwase, Yusaku Onuma | 2022-03-15 |
| 11239784 | Motor drive device, controller, and electric vehicle system | Noriya NAKAO, Fumikazu Takahashi, Shingo Nishiguchi | 2022-02-01 |
| 11196377 | Motor drive system | Midori Takaoka, Junki ISOBE, Kohei Myoen, Toshiyuki Ajima, Yoshitaka Iwaji | 2021-12-07 |
| 10903767 | Synchronous motor control apparatus | Agnes HADINATA, Yoshitaka Iwaji, Yusaku Onuma, Takuya Sugimoto, Masato Ohya | 2021-01-26 |
| 9698716 | Motor control device and work machine using the same | Kazuya SEKINE | 2017-07-04 |
| 8884575 | Drive system for synchronous electrical motor | Ryoichi Takahata, Yoshitaka Iwaji, Shigehisa Aoyagi | 2014-11-11 |
| 8878480 | Synchronous motor drive system and synchronous motor | Yoshitaka Iwaji, Shigehisa Aoyagi, Ryoichi Takahata, Masaki Hano | 2014-11-04 |
| 8779701 | Control apparatus for permanent magnet motor | Rikio Yoshikawa, Katsuhiro Mochizuki | 2014-07-15 |
| 8766575 | Synchronous electric motor drive system | Yoshitaka Iwaji, Shigehisa Aoyagi, Ryoichi Takahata | 2014-07-01 |
| 8531148 | Control apparatus and control method for AC electric motor | Satoshi Sumita, Daisuke Maeda, Yasuo Notohara | 2013-09-10 |
| 8436563 | Control unit and control method for permanent magnet synchronous motor | Satoshi Sumita, Shigehisa Aoyagi, Daisuke Maeda | 2013-05-07 |
| 8410735 | Torque ripple suppression control device for permanent magnet motor and electric power steering system | Yoshitaka Iwaji, Junnosuke Nakatsugawa, Rikio Yoshikawa, Masamichi Yagai | 2013-04-02 |
| 8344671 | Speed controller of magnetic motor | Yasuo Notohara, Wataru Hatsuse, Dongsheng Li, Kentaro Oi, Yuuji Funayama | 2013-01-01 |
| 8305019 | Torque controller for permanent magnet synchronous motor | Shigehisa Aoyagi, Kentaro Oi | 2012-11-06 |
| 8106619 | Position sensorless controller for permanent magnet motor | Shigehisa Aoyagi | 2012-01-31 |