Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10177572 | DC/AC system interconnection device and AC/AC system interconnection device | — | 2019-01-08 |
| 10003272 | Three-phase/single-phase matrix converter | — | 2018-06-19 |
| 9979311 | Matrix converter | — | 2018-05-22 |
| 8817505 | Three-phase rectifier with bidirectional switches | — | 2014-08-26 |
| 8319459 | Synchronous motor control method | Naoki Kawaguchi | 2012-11-27 |
| 7839114 | Phase detection method, phase detecting apparatus, synchronous-motor control method, and synchronous motor controller | Naoki Kawaguchi | 2010-11-23 |
| 7580272 | Power source apparatus | Yasutaka Taguchi, Hiroyuki Kinpara | 2009-08-25 |