Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11217842 | Power storage device | Mitsuyasu Ueda, Naoki Ayai | 2022-01-04 |
| 11101660 | Storage battery system and power display device | Fumio Urakawa | 2021-08-24 |
| 11031807 | Power supply device and power supply system | Naoki Ayai | 2021-06-08 |
| 10917022 | Power conversion device and control method for power conversion device | Yusuke Shimizu, Naoki Ayai | 2021-02-09 |
| 10530238 | Power conversion device and method for controlling same | Naoki Ayai | 2020-01-07 |
| 10481184 | Input-voltage-abnormality detection method and power source device | Fumio Urakawa, Koichi Takeshita | 2019-11-19 |
| 10411501 | Power supply device and switch control method therefor | Naoki Ayai | 2019-09-10 |
| 10355519 | Power supply unit and method for backfeed protection thereof | Koichi Takeshita, Naoki Ayai, Tomohiro Yamaguchi | 2019-07-16 |
| 10355620 | Conversion device | Naoki Ayai, Toshiaki Okumura, Kenji Abiru | 2019-07-16 |
| 10348190 | Conversion device for converting voltage in a non-insulated manner and method for controlling the same | Yusuke Shimizu, Toshiaki Okumura, Naoki Ayai | 2019-07-09 |
| 10340814 | Gate-blocking a DC/DC converter based upon output current of an AC reactor in a power conversion device | Yusuke Shimizu, Naoki Ayai | 2019-07-02 |
| 9882508 | High-frequency switching type conversion device | Naoki Ayai, Toshiaki Okumura, Kenji Abiru | 2018-01-30 |