Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10432101 | Power conversion apparatus | Takaharu ISHIBASHI, Kimiyuki Koyanagi | 2019-10-01 |
| 10367423 | Power conversion device | Nils Soltau, Murat Kaymak, Rik W. De Doncker | 2019-07-30 |
| 10205402 | Power conversion device for converting power between a DC circuit and an AC circuit by performing a non-linear operation | Toshiyuki Fujii, Ryosuke Uda | 2019-02-12 |
| 10186952 | Power conversion device | Kimiyuki Koyanagi, Sadao Funahashi, Taichiro Tsuchiya, Yasuhiro Shinomiya | 2019-01-22 |
| 10153711 | Electric power conversion device | Kimiyuki Koyanagi, Takeshi Kikuchi | 2018-12-11 |
| 10128773 | Electric power conversion device and electric power system | Kimiyuki Koyanagi, Takeshi Kikuchi | 2018-11-13 |
| 10110110 | Power conversion device | Toshiyuki Fujii, Kaho MUKUNOKI, Ryosuke Uda, Taichiro Tsuchiya, Akihiro Matsuda +1 more | 2018-10-23 |
| 10044282 | Power conversion device | Tatsuya Okuda, Osamu Mori, Takaharu ISHIBASHI | 2018-08-07 |
| 9866120 | Power conversion device | Kimiyuki Koyanagi, Yasuhiro Shinomiya, Taichiro Tsuchiya | 2018-01-09 |
| 9806691 | Filter device and electric-vehicle drive controller | Ryo Yokozutsumi, Akihiro Murahashi, Tsuguhiro Takuno, Yudai Yoneoka | 2017-10-31 |
| 9780685 | Electrical power converter with a converter cell series unit | Kimiyuki Koyanagi, Satoshi Azuma, Sadao Funahashi, Shinzo Tamai, Yasuhiko Hosokawa +1 more | 2017-10-03 |
| 9712070 | Power conversion device | Satoshi Azuma, Kimiyuki Koyanagi, Ritaka Nakamura, Yasuhito Shimomura, Yoshihito Kato | 2017-07-18 |
| 9564808 | Electric power conversion device | Kimiyuki Koyanagi, Satoshi Azuma, Yasuhiko Hosokawa, Shinzo Tamai, Sadao Funahashi +1 more | 2017-02-07 |
| 9271432 | Power conversion device with reduced noise source current, reduced high frequency current and reduced resonance current | Ryo Yokozutsumi, Akihiro Murahashi, Satoshi Azuma, Yasuhiro Shiraki | 2016-02-23 |
| 8953345 | Power converter device and driving method thereof | Satoshi Azuma | 2015-02-10 |
| 8228699 | Power converting apparatus including half-bridge inverters connected between positive and negative terminals of a DC power supply | Akihiko Iwata, Hiroshi Ito, Hirofumi Akagi, Hideaki Fujita | 2012-07-24 |
| 8154893 | Three-phase power converting apparatus | Akihiko Iwata, Hiroshi Ito, Hirofumi Akagi, Hideaki Fujita | 2012-04-10 |