Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 | Qichen WANG | 2022-08-23 |
| 10398029 | High-frequency transformer | Qichen WANG, Satoru Fujita, Takashi Kuwabara | 2019-08-27 |
| 9231479 | Power supply device | Ryuji Yamada | 2016-01-05 |