Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11067320 | Gas recovery system for compressor, compressor system, and refrigeration cycle system | Takuya Watanabe, Koichi Mizushita, Tomoaki Takeda | 2021-07-20 |
| 11038213 | Battery pack and control method | — | 2021-06-15 |
| 10948545 | Residual quantity measuring device, battery pack, electric power tool, electric aircraft, electric vehicle, and power supply device | — | 2021-03-16 |
| 10916742 | Battery pack, electrical device, and charging device | Hirotaka Sakai, Motoki KATAYAMA | 2021-02-09 |