Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11798749 | Power converter including filter circuit device to improve a noise suppression function | Yutaka Okubo, Hiroki Funato, Taesung Kim | 2023-10-24 |
| 9246408 | Power conversion apparatus | Ken Maeda, Toshiya Satoh | 2016-01-26 |
| 8947838 | Overcurrent fault detection device for electrical drive control system | Yasuo Noto, Yoshio Akaishi, Kohei Myoen | 2015-02-03 |
| 8513953 | Power supply device and method for making decision as to contactor weld of power supply device | Kohei Myoen | 2013-08-20 |
| 8395874 | Multiphase current supplying circuit, driving apparatus, compressor, and air conditioner | Morimitsu Sekimoto | 2013-03-12 |
| 7804271 | Multiphase current supplying circuit, driving apparatus, compressor and air conditioner | Morimitsu Sekimoto | 2010-09-28 |
| 7633249 | Polyphase current supplying circuit and driving apparatus | Morimitsu Sekimoto | 2009-12-15 |
| 6208109 | Synchronous motor driving method, compressor driving method, device for the methods, and brushless DC motor driving device | Nobuki Kitano, Yoshihito Sanga, Manabu Kosaka | 2001-03-27 |
| 5804939 | Brushless D.C. motor driving and controlling method and apparatus therefor and electrical equipment | Kazunobu Ooyama, Taizou Kimura | 1998-09-08 |
| 5739650 | Motor system capable of obtaining high efficiency and method for controlling a motor | Taizou Kimura, Kiyotaka Nishijima, Akio Yamagiwa, Kazunobu Ooyama, Nobuki Kitano | 1998-04-14 |
| 4989128 | Pulse width modulation control unit of inverter | Kazunobu Ohyama | 1991-01-29 |