Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11705843 | Direct power conversion device | Daisuke Ueki, Nobuo Hayashi, Takurou Ogawa | 2023-07-18 |
| 10951152 | Power conversion apparatus | Nobuo Hayashi, Takurou Ogawa, Daisuke Ueki | 2021-03-16 |
| 10931207 | Power converter having switching elements formed of unipolar devices using a wideband gap semiconductor | Toshiyuki Maeda, Hiroshi Hibino | 2021-02-23 |
| 10811997 | Power conversion device | Nobuo Hayashi, Takurou Ogawa, Tomoisa Taniguchi | 2020-10-20 |
| 10511233 | Current estimating device | Takurou Ogawa, Eiji Tooyama, Akiko Sera | 2019-12-17 |
| 10439542 | Electric power conversion device | Tomoisa Taniguchi, Yasutaka Taguchi | 2019-10-08 |
| 10148197 | Power converter having switching elements formed of unipolar devices using a wideband gap semiconductor | Toshiyuki Maeda, Hiroshi Hibino | 2018-12-04 |
| 9853559 | Power conversion device with reduced current deviation | Tomoisa Taniguchi, Takurou Ogawa, Eiji Tooyama, Nobuo Hayashi | 2017-12-26 |
| 9257931 | Power conversion apparatus | Eiji Tooyama, Toshiyuki Maeda | 2016-02-09 |
| 9214881 | Power conversion apparatus | Tomoisa Taniguchi, Hiroshi Hibino, Toshiyuki Maeda | 2015-12-15 |
| 9178412 | Bidirectional switch circuit configured to conduct current in reverse direction without applying an on-drive signal and power converter including the same | Reiji Kawashima, Kazushi Hisayama, Hiroshi Hibino, Toshiyuki Maeda, Sumikazu Matsuno | 2015-11-03 |
| 9166493 | Power converter circuit | Toshiyuki Maeda | 2015-10-20 |
| 9071159 | Power converter | — | 2015-06-30 |
| 8395874 | Multiphase current supplying circuit, driving apparatus, compressor, and air conditioner | Hiroyuki Yamai | 2013-03-12 |
| 8098035 | Motor control unit | Hitoshi Haga, Abdallah Mechi, Reiji Kawashima, Kenichi Sakakibara, Toshiyuki Maeda | 2012-01-17 |
| 8030661 | Power conversion apparatus | Hitoshi Haga, Kenichi Sakakibara, Reiji Kawashima, Abdallah Mechi, Toshiyuki Maeda | 2011-10-04 |
| 7804271 | Multiphase current supplying circuit, driving apparatus, compressor and air conditioner | Hiroyuki Yamai | 2010-09-28 |
| 7633249 | Polyphase current supplying circuit and driving apparatus | Hiroyuki Yamai | 2009-12-15 |