Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12413135 | DC power supply and distribution system | Yusuke Kato, Takuya Kataoka, Tomoyuki Kawakami | 2025-09-09 |
| 12316122 | Direct-current power supply and distribution system | Yusuke Higaki, Takushi Jimichi, Tsuguhiro Takuno, Takuya Kataoka, Ryoji TSURUTA +1 more | 2025-05-27 |
| 12170487 | Insulating transformer and power conversion device equipped with same | Yuki ITOGAWA, Takeshi Amimoto, Yu KAWAI, Tomoaki Kimura | 2024-12-17 |
| 12149185 | Power conversion device | Yu KAWAI | 2024-11-19 |
| 12119757 | Power supply system including a plurality of power conversion devices to supply AC or DC power | Takuya Kataoka, Yusuke Higaki | 2024-10-15 |
| 12015268 | DC power supply and distribution system | Yusuke Higaki, Takushi Jimichi, Tsuguhiro Takuno, Takuya Kataoka | 2024-06-18 |
| 11984723 | Multi-mode power supply system | Takuya Kataoka, Yusuke Higaki, Takushi Jimichi, Tsuguhiro Takuno | 2024-05-14 |
| 11909305 | AC-to-DC power converter which removed a common mode component form the output current | Ryoji TSURUTA, Tsuguhiro Takuno, Takushi Jimichi | 2024-02-20 |
| 11791712 | Power conversion device | Takeshi Amimoto, Tatsuya Okuda, Tomoaki Kimura | 2023-10-17 |
| 11336090 | DC power supply and distribution system | Takushi Jimichi, Tsuguhiro Takuno, Yusuke Higaki, Takuya Kataoka | 2022-05-17 |
| 11025086 | Power conversion device | Akiko Tabuchi, Naohisa Kawahara, Daigo Takemura | 2021-06-01 |
| 10971991 | Power conversion device and power conversion system | Takahiro Kato, Akiko Tabuchi | 2021-04-06 |
| 10924035 | Power conversion device | Takahiro Kato, Yutaka KUBOYAMA | 2021-02-16 |
| 10855084 | Power conversion system for power system interconnection | Tatsuya Okuda, Masahiro Sugahara | 2020-12-01 |
| 10320310 | Power conversion device | Takahiro Kato | 2019-06-11 |
| 10256713 | Power conversion device and method for controlling power conversion device | Tomohito FUKUDA, Hitoshi Kawaguchi, Masanori Kageyama | 2019-04-09 |
| 10256747 | Electric power conversion device and electric power conversion system | Takahiro Kato, Yu KAWAI, Kenji Fujiwara, Tatsuya Okuda | 2019-04-09 |
| 10084315 | Power conversion device with an autonomous operation function | Tatsuya Okuda, Takahiro Kato | 2018-09-25 |
| 9912150 | Power control system | Tatsuya Okuda, Tsutomu Shimazaki, Naohide Tsuchimoto | 2018-03-06 |
| 8611120 | Power conversion apparatus | Tatsuya Okuda, Akihiko Iwata, Kenji Fujiwara | 2013-12-17 |
| 7164239 | Discharge lamp ballast circuit | Shigeki Harada, Akihiko Iwata | 2007-01-16 |
| 7023143 | Ballast apparatus and ballasting method of high intensity discharge lamp | Shigeki Harada, Takahiro Urakabe, Akihiron Suzuki, Akihiko Iwata, Takashi Ohsawa | 2006-04-04 |
| 6975077 | High intensity discharge lamp ballast apparatus | Shigeki Harada, Akihiko Iwata, Takashi Ohsawa | 2005-12-13 |