Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12424894 | Phase ring support structure and rotating electric machine | Wataru Yamashita | 2025-09-23 |
| 12107458 | Rotating electric machine and method for manufacturing rotating electric machine | Minoru Aoki | 2024-10-01 |
| 11791712 | Power conversion device | Takeshi Amimoto, Kikuo Izumi, Tomoaki Kimura | 2023-10-17 |
| 11349409 | Power conversion device and power conversion system | Kenji Fujiwara, Takahiro Kato | 2022-05-31 |
| 10992240 | Power conversion device | Yu KAWAI, Jun Itoh, Hoai Nam Le | 2021-04-27 |
| 10855084 | Power conversion system for power system interconnection | Kikuo Izumi, Masahiro Sugahara | 2020-12-01 |
| 10256747 | Electric power conversion device and electric power conversion system | Takahiro Kato, Yu KAWAI, Kenji Fujiwara, Kikuo Izumi | 2019-04-09 |
| 10084315 | Power conversion device with an autonomous operation function | Kikuo Izumi, Takahiro Kato | 2018-09-25 |
| 10044282 | Power conversion device | Takushi Jimichi, Osamu Mori, Takaharu ISHIBASHI | 2018-08-07 |
| 9912150 | Power control system | Kikuo Izumi, Tsutomu Shimazaki, Naohide Tsuchimoto | 2018-03-06 |
| 9007042 | DC/DC converter | Takahiro Urakabe, Masaru Kobayashi, Matahiko Ikeda, Hirotoshi Maekawa | 2015-04-14 |
| 8982588 | Method and an apparatus for controlling the output voltage of a boost converter composed of plural bridge devices | Gustavo Buiatti, Tomoyuki Kawakami, Nicolas Voyer | 2015-03-17 |
| 8773082 | DC/DC power conversion apparatus | Takahiro Urakabe, Yuuya Tanaka, Masaru Kobayashi, Matahiko Ikeda, Hirotoshi Maekawa | 2014-07-08 |
| 8754549 | Power conversion device | Tomoyuki Kawakami, Akihiko Iwata | 2014-06-17 |
| 8614903 | Power conditioner for photovoltaic power generation | Taichiro Tsuchiya, Akihiko Iwata, Tomoyuki Kawakami | 2013-12-24 |
| 8611120 | Power conversion apparatus | Akihiko Iwata, Kenji Fujiwara, Kikuo Izumi | 2013-12-17 |
| 8604757 | DC/DC power conversion apparatus | Hiroshi Ito | 2013-12-10 |
| 8541989 | Power supply apparatus | Takahiro Urakabe, Akihiko Iwata, Hirotoshi Maekawa, Masaru Kobayashi, Matahiko Ikeda +3 more | 2013-09-24 |
| 8437910 | Automotive electric power supply system | Toshiyuki Yoshizawa, Masaya Inoue, Takahiro Urakabe, Yuuya Tanaka, Takayoshi Nagai +1 more | 2013-05-07 |
| 8427225 | Gate driving circuit | Hiroshi Nakatake, Masaru Fuku, Yoshikazu Tsunoda | 2013-04-23 |
| 8138818 | Gate drive apparatus | Yoshikazu Tsunoda, Masaru Fuku | 2012-03-20 |
| 8040702 | DC/DC power converting apparatus | Takahiro Urakabe, Matahiko Ikeda, Akihiko Iwata, Kiyoharu Anzai, Hirotoshi Maekawa +2 more | 2011-10-18 |
| 8036008 | DC/DC power converting apparatus | Matahiko Ikeda, Takahiro Urakabe, Kiyoharu Anzai, Akihiko Iwata, Hirotoshi Maekawa +2 more | 2011-10-11 |
| 7675763 | Semiconductor power converter apparatus | Takuya Michinaka | 2010-03-09 |
| 7619907 | DC/DC power conversion device | Takahiro Urakabe, Matahiko Ikeda, Masaru Kobayashi, Akihiko Iwata, Hirotoshi Maekawa +1 more | 2009-11-17 |