| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 3 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | United States | 3 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Environmental technology | |
| #3 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Batteries | |
| #2 | Circuits for supplying electric power | |
| #3 | Reduction of greenhouse gas emissions | |
| #4 | Measuring electric variables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hiratsuka Toshio | 11 |
| Publication | Filing date | Title |
|---|---|---|
| CN110800185A | Power supply device and power supply control method | |
| CN109923727A | Power supply device and load monitor | |
| CN108370172A | Charging unit |