Issued Patents All Time
Showing 1–25 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9458736 | Wind turbine generator system | Takuji Yanagibashi, Takashi Matsunobu, Tsutomu Hasegawa, Kenichi Azegami | 2016-10-04 |
| 9231441 | Wind power generation system, device using wind power generation system, and method for operating same | Kenichi Azegami, Takuji Yanagibashi, Takashi Matsunobu | 2016-01-05 |
| 9203334 | Wind power generator system, and control method for the same | Takuji Yanagibashi, Tsutomu Hasegawa, Masaya Ichinose, Takashi Matsunobu, Kenichi Azegami +1 more | 2015-12-01 |
| 8760279 | Air pressure information display system of vehicle tire | Fumitaka Andou | 2014-06-24 |
| 8541971 | Driving system of permanent magnet synchronous motor | Toshifumi Sakai, Yoshitaka Iwaji, Yoshiyuki Taguchi, Daigo Kaneko | 2013-09-24 |
| 8305020 | Electric power conversion device, compressor motor with the device, and air conditioner with the motor | Takahiro Suzuki, Yasuo Notohara | 2012-11-06 |
| 8115436 | Motor control apparatus and motor system | Tomohiro Sugino | 2012-02-14 |
| 8044618 | Control apparatus for AC motor | Junnosuke Nakatsugawa, Yoshitaka Iwaji, Kazuaki Tobari | 2011-10-25 |
| 7919941 | Semiconductor power converter | Shigehisa Aoyagi, Yoshitaka Iwaji, Kazuaki Tobari, Donsheng Li | 2011-04-05 |
| 7821223 | Vector controller for a permanent magnet motor and inverter module | Kazuaki Tobari, Tsunehiro Endo, Daisuke Maeda, Shigehisa Aoyagi | 2010-10-26 |
| 7808202 | Beat-less controller for permanent magnet motor | Kazuaki Tobari, Yoshitaka Iwaji, Hajime Uematsu, Masakazu Hase | 2010-10-05 |
| 7388341 | Control system for permanent magnet synchronous motor and module | Kazuaki Tobari, Tsunehiro Endo, Yoshitaka Iwaji, Yukio Kawabata, Shigehisa Aoyagi | 2008-06-17 |
| 7342378 | System and method for driving synchronous motor | Tsunehiro Endo, Hidefumi Shirahama, Yoshiaki Ajima | 2008-03-11 |
| 7294988 | Synchronous motor drive unit and a driving method thereof | Toshiyuki Ajima, Hideki Miyazaki, Yukio Kawabata, Takao Yanai, Osamu Koizumi | 2007-11-13 |
| 7276876 | Synchronous motor driving apparatus | Daigo Kaneko, Yoshitaka Iwaji, Tsunehiro Endo, Tomofumi Okubo | 2007-10-02 |
| 7064514 | Motor drive system for AC motors | Yoshitaka Iwaji, Tsunehiro Endo, Tomofumi Okubo | 2006-06-20 |
| 7030589 | Driving systems of AC motor | Daigo Kaneko, Yoshitaka Iwaji, Tsunehiro Endo, Tomofumi Okubo | 2006-04-18 |
| 6918289 | Air pressure information display device of vehicle tire | Toshio Hayashi, Fumitaka Andou, Kazufumi Adachi, Atsushi Okamitsu, Tsukasa Harada | 2005-07-19 |
| 6912452 | System and method for providing control gain of vehicle | Shin Takehara, Hiroshi Ohmura, Shigefumi Hirabayashi | 2005-06-28 |
| 6690137 | Sensorless control system for synchronous motor | Yoshitaka Iwaji, Tsunehiro Endo, Yuhachi Takakura | 2004-02-10 |
| 6650081 | Synchronous motor driving system | Yoshitaka Iwaji, Tsunehiro Endo, Yuhachi Takakura | 2003-11-18 |
| 6639377 | Driving device for synchronous motor | Yoshitaka Iwaji, Tsunehiro Endo, Noriaki Yamada, Hiroshi Fujii | 2003-10-28 |
| 6628099 | Synchronous motor driving system and sensorless control method for a synchronous motor | Yoshitaka Iwaji, Tsunehiro Endo, Yuhachi Takakura | 2003-09-30 |
| 6622553 | Air pressure warning device of vehicle tire | Toshio Hayashi, Fumitaka Andou, Kazufumi Adachi | 2003-09-23 |
| 6598699 | Electric power steering system for vehicle | Shin Takehara | 2003-07-29 |