Issued Patents All Time
Showing 25 most recent of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8035330 | Apparatus and method for driving synchronous motor | Daisuke Maeda, Hidefumi Shirahama, Kenji Sakurai, Hiroyuki Hasegawa, Mitsuhiro Mishima | 2011-10-11 |
| 7944720 | Semiconductor integrated circuit, PWM signal output device, and power conversion control apparatus | Takahiro Suzuki, Yasuo Notohara, Yuji Mori | 2011-05-17 |
| 7839113 | Apparatus and method for driving synchronous motor | Daisuke Maeda, Hidefumi Shirahama, Kenji Sakurai, Hiroyuki Hasegawa, Mitsuhiro Mishima | 2010-11-23 |
| 7839663 | Converter and power converter that becomes it with the converter | Takahiro Suzuki, Yoshitaka Iwaji, Yasuo Notohara, Yoshiaki Kurita, Tatsuo Ando +1 more | 2010-11-23 |
| 7821223 | Vector controller for a permanent magnet motor and inverter module | Kazuaki Tobari, Kiyoshi Sakamoto, Daisuke Maeda, Shigehisa Aoyagi | 2010-10-26 |
| 7619385 | Motor controller, washing machine, air conditioner and electric oil pump | Takahiro Suzuki, Kazuaki Tobari, Daigo Kaneko, Daisuke Maeda, Akira Yamazaki | 2009-11-17 |
| 7602138 | Driving apparatus and driving system for electric motor | Daigo Kaneko, Takahiro Suzuki, Kazuaki Tobari, Hajime Uematsu | 2009-10-13 |
| 7528568 | Vector controller for permanent magnet synchronous motor | Kazuaki Tobari, Yoshiki Ito | 2009-05-05 |
| 7521887 | Vector controller for a permanent magnet synchronous motor, inverter module, and permanent magnet synchronous motor constant display system | Kazuaki Tobari | 2009-04-21 |
| 7471525 | Converter and power converter that becomes it with the converter | Takahiro Suzuki, Yoshitaka Iwaji, Yasuo Notohara, Yoshiaki Kurita, Tatsuo Ando +1 more | 2008-12-30 |
| 7443120 | Field weakening vector controller for permanent magnet synchronous motor and control module | Kazuaki Tobari, Daisuke Maeda | 2008-10-28 |
| 7388341 | Control system for permanent magnet synchronous motor and module | Kazuaki Tobari, Kiyoshi Sakamoto, Yoshitaka Iwaji, Yukio Kawabata, Shigehisa Aoyagi | 2008-06-17 |
| 7342378 | System and method for driving synchronous motor | Kiyoshi Sakamoto, Hidefumi Shirahama, Yoshiaki Ajima | 2008-03-11 |
| 7332882 | Motor drive device that combined charge controller | Shigehisa Aoyagi, Hidefumi Shirahama, Yoshiki Ito | 2008-02-19 |
| 7276876 | Synchronous motor driving apparatus | Daigo Kaneko, Yoshitaka Iwaji, Kiyoshi Sakamoto, Tomofumi Okubo | 2007-10-02 |
| 7199547 | Apparatus, method or system for controlling mobile body | Daigo Kaneko, Hiromi Inaba, Ikuo Yamato, Naoto Ohnuma | 2007-04-03 |
| 7148651 | Apparatus and method for controlling AC motor and module therefor | Kazuaki Tobari, Hidefumi Shirahama, Yoshiki Itou | 2006-12-12 |
| 7064514 | Motor drive system for AC motors | Yoshitaka Iwaji, Kiyoshi Sakamoto, Tomofumi Okubo | 2006-06-20 |
| 7030589 | Driving systems of AC motor | Daigo Kaneko, Yoshitaka Iwaji, Kiyoshi Sakamoto, Tomofumi Okubo | 2006-04-18 |
| 6954050 | Control method and control device of permanent-magnet type synchronous motor | Kazuaki Tobari, Hidefumi Shirahama, Yoshiyuki Taguchi, Tomofumi Okubo | 2005-10-11 |
| 6938713 | Dynamotor of hybrid vehicle, and method of control thereof | Kazuo Tahara, Houng Joong Kim, Ryoso Masaki, Kou Ajima, Toshiyuki Innami +2 more | 2005-09-06 |
| 6690137 | Sensorless control system for synchronous motor | Yoshitaka Iwaji, Kiyoshi Sakamoto, Yuhachi Takakura | 2004-02-10 |
| 6657413 | Driving equipment for synchronous motors | Junnosuke Nakatsugawa, Yukio Kawabata, Masashi Kitamura, Junya Kaneda | 2003-12-02 |
| 6650081 | Synchronous motor driving system | Yoshitaka Iwaji, Kiyoshi Sakamoto, Yuhachi Takakura | 2003-11-18 |
| 6642681 | Starting control method of and control apparatus for synchronous motor, and air conditioner, refrigerator, washing machine and vacuum cleaner each provided with the control apparatus | Yukio Kawabata, Makoto Ishii, Yuhachi Takakura, Toru Inoue | 2003-11-04 |