Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11817797 | DC-AC converter with inrush current suppression | Yousuke Hayashi | 2023-11-14 |
| 10630195 | Converter and power conversion device using same | Keisuke Ohnishi, Shoichi Abe | 2020-04-21 |
| 10587200 | Bidirectional insulated DC/DC converter and smart network | Toshihide Nakano, Kazuki Nishimura, Takao Kawabata, Yoshitaka KAWABATA | 2020-03-10 |
| 10044281 | Bidirectional insulated DC/DC converter and smart network using the same | Hiroshi Masunaga, Yoshitaka KAWABATA, Takao Kawabata | 2018-08-07 |
| 9509229 | Power supply apparatus including power conversion circuit controlled by PWM control circuit | Tingan Lee, Masahiro Kinoshita, Nobuyuki Nagai | 2016-11-29 |
| 9093861 | Power conversion system and uninterruptible power supply system | Toshihide Nakano | 2015-07-28 |
| 6720675 | Power converter | Satoshi Azuma | 2004-04-13 |
| 6657319 | Electric power system interconnection device | — | 2003-12-02 |
| 5909366 | Controller for power transducers | — | 1999-06-01 |
| 5416686 | Power inverter apparatus for coping with an abrupt change in phase of input voltage | Satoshi Azuma | 1995-05-16 |
| 5285371 | Power conversion apparatus | Takao Kawabata | 1994-02-08 |
| 5274538 | Power conversion apparatus | Nobuo Sashida | 1993-12-28 |
| 5189603 | DC to AC electric power converting apparatus | Nobuo Sashida, Masato Koyama | 1993-02-23 |
| 5005141 | Phase-locked loop circuit | Jyoji Kawai | 1991-04-02 |