Issued Patents 2021
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11159115 | Motor driving device and refrigerating air-conditioning device | Kazunori Hatakeyama, Keisuke Uemura | 2021-10-26 |
| 11114970 | Motor driver, heat pump system and refrigeration and air conditioning equipment using motor driver | Kazunori Hatakeyama, Keisuke Uemura, Yosuke Shinomoto | 2021-09-07 |
| 11098928 | Speed estimation apparatus for AC motor, driving apparatus for AC motor, refrigerant compressor, and refrigeration cycle apparatus | Kenji Takahashi, Mitsuo Kashima | 2021-08-24 |
| 11005410 | Motor driving apparatus | Kenji Iwazaki, Takashi Yamakawa, Keisuke Uemura, Shinya TOYODOME | 2021-05-11 |
| 11005404 | Motor driving apparatus | Shinya TOYODOME, Takashi Yamakawa, Keisuke Uemura, Kenji Iwazaki | 2021-05-11 |
| 10992218 | Harmonic suppression device and harmonic suppression system | Kenji Iwazaki | 2021-04-27 |
| 10978960 | Power converter and air conditioner equipped with the same | Kenji Iwazaki, Yosuke Shinomoto | 2021-04-13 |