Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11632038 | Snubber apparatus and power conversion apparatus | Ryuji Yamada | 2023-04-18 |
| 11424610 | Apparatus, power supply, method and recording medium to determine a state of a three-phase AC power supply using instantaneous voltages of three phases of the AC voltage | Nobuyuki Tawada | 2022-08-23 |
| 11218070 | Snubber module, snubber apparatus and power conversion apparatus | Ryuji Yamada | 2022-01-04 |
| 11165333 | Snubber device and power conversion apparatus | Ryuji Yamada, Kazuyuki YODA | 2021-11-02 |
| 10825605 | Transformer | Satoru Fujita | 2020-11-03 |
| 10398029 | High-frequency transformer | Satoru Fujita, Takashi Kuwabara, Nobuyuki Tawada | 2019-08-27 |
| 10122281 | Power conversion device for cancelling leakage current | Satoru Fujita | 2018-11-06 |
| 9887539 | Power conversion device | Satoru Fujita | 2018-02-06 |
| 9531298 | Inverter device | Satoru Fujita | 2016-12-27 |
| 9397582 | Power converter, and inverter device including the power converter | Satoru Fujita | 2016-07-19 |