Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10955160 | Air conditioner including a plurality of utilization units connected in parallel to a heat source unit | Katsutoshi Shimizu, Kenshi Tsuji | 2021-03-23 |
| 10914482 | Fan drive circuit for heat pump device | Kazushige Maeda | 2021-02-09 |