Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10135379 | State display device of industrial machinery and power conversion device | Koji Iwahashi, Tetsuo Yanagimoto, Yuto Kubo, Yuki Kawafuchi | 2018-11-20 |
| 9601988 | Power conversion apparatus and method for analyzing for abnormality in power conversion apparatus having cutoff devices | Shigenori Takayama, Keisei Inoki | 2017-03-21 |
| 8918668 | Interface circuit, inverter device, inverter system, and transmitting and receiving method | Koji Iwahashi, Hidetoshi Ryu | 2014-12-23 |
| 7423395 | Sensorless vector control method for alternating-current motor and control apparatus therefor | Hideaki Iura, Kazuhiro Nonaka, Yuichi Terazono, Yoichi Yamamoto, Katsushi Terazono +1 more | 2008-09-09 |