Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11114970 | Motor driver, heat pump system and refrigeration and air conditioning equipment using motor driver | Kazunori Hatakeyama, Keisuke Uemura, Koichi Arisawa | 2021-09-07 |
| 10978960 | Power converter and air conditioner equipped with the same | Kenji Iwazaki, Koichi Arisawa | 2021-04-13 |
| 10944350 | Motor drive device | Keiichiro SHIZU | 2021-03-09 |