Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12316122 | Direct-current power supply and distribution system | Yusuke Higaki, Kikuo Izumi, Tsuguhiro Takuno, Takuya Kataoka, Ryoji TSURUTA +1 more | 2025-05-27 |
| 12212251 | Power conversion device having converter cells connected in series in a multiplexed manner and each including an energy storage element | Akito NAKAYAMA, Takuya Kajiyama | 2025-01-28 |
| 12149066 | DC power distribution system | Kenichi FUKUNO, Hayato Takeuchi, Takaharu ISHIBASHI | 2024-11-19 |
| 12021440 | Power conversion device and DC power distribution system | Takaharu ISHIBASHI | 2024-06-25 |
| 12015266 | DC distribution panel | Kenichi FUKUNO | 2024-06-18 |
| 12015268 | DC power supply and distribution system | Yusuke Higaki, Kikuo Izumi, Tsuguhiro Takuno, Takuya Kataoka | 2024-06-18 |
| 11984723 | Multi-mode power supply system | Takuya Kataoka, Kikuo Izumi, Yusuke Higaki, Tsuguhiro Takuno | 2024-05-14 |
| 11973437 | Power conversion device | Miwako TANAKA, Akito NAKAYAMA | 2024-04-30 |
| 11909305 | AC-to-DC power converter which removed a common mode component form the output current | Ryoji TSURUTA, Tsuguhiro Takuno, Kikuo Izumi | 2024-02-20 |
| 11901827 | Power conversion device and DC power distribution system | Takaharu ISHIBASHI | 2024-02-13 |
| 11855445 | Power conversion device | Takaharu ISHIBASHI | 2023-12-26 |
| 11824353 | DC power distribution system | Hayato Takeuchi, Kenichi FUKUNO, Takaharu ISHIBASHI | 2023-11-21 |
| 11532990 | Power conversion device that performs DC-to-DC conversion | Takuya Kajiyama, Takaharu ISHIBASHI | 2022-12-20 |
| 11515778 | Power conversion device | Takaharu ISHIBASHI, Takuya Kajiyama | 2022-11-29 |
| 11463015 | Power conversion apparatus | Ryoji TSURUTA, Kimiyuki Koyanagi | 2022-10-04 |
| 11428748 | System and method for testing power conversion device | Takaharu ISHIBASHI, Takuya Kajiyama | 2022-08-30 |
| 11430598 | Power converter | Takaharu ISHIBASHI | 2022-08-30 |
| 11336090 | DC power supply and distribution system | Kikuo Izumi, Tsuguhiro Takuno, Yusuke Higaki, Takuya Kataoka | 2022-05-17 |
| 11316433 | Power conversion device including first and second bridge circuits | Takuya Kajiyama, Takaharu ISHIBASHI | 2022-04-26 |
| 11290019 | Power converter | Nils Soltau, Murat Kaymak, Rik W. De Doncker | 2022-03-29 |
| 11282625 | Transformer and power converter | Takaharu ISHIBASHI, Osamu Mori, Takayoshi Nagai | 2022-03-22 |
| 10998824 | Electric power conversion device | Takaharu ISHIBASHI | 2021-05-04 |
| 10637343 | Power conversion device for reliable control of circulating current | Toshiyuki Fujii, Ryosuke Uda | 2020-04-28 |
| 10560036 | Power conversion device for reliable control of circulating current while maintaining voltage of a cell | Toshiyuki Fujii, Ryosuke Uda | 2020-02-11 |
| 10530243 | Power conversion device with malfunction detection | Nils Soltau, Murat Kaymak, Rik W. De Doncker | 2020-01-07 |