| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 2,391 | |
| #2 | China | 35 | |
| #3 | Republic of Korea | 20 | |
| #4 | Taiwan | 4 | |
| #5 | United States | 4 | |
| #6 | Indonesia | 1 | |
| #7 | Malaysia | 1 | |
| #8 | Singapore | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Electrical machinery and energy | |
| #3 | Computer technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yoshida Atsushi | 110 |
| #2 | Kato Hiroaki | 97 |
| #3 | Mizuno Koji | 94 |
| #4 | Yasuda Kouji | 85 |
| #5 | Kondo Hiroshi | 83 |
| #6 | Takagi Kisou | 77 |
| #7 | Kajima Ryuji | 76 |
| #8 | Murase Haruhiko | 67 |
| #9 | Takahashi Norio | 64 |
| #10 | Miwa Osamu | 63 |
| Publication | Filing date | Title |
|---|---|---|
| JP2020198776A | Power conversion device | |
| JP2021009804A | Circuit breaker | |
| JP2021010208A | Automatic power source switching device | |
| JP2020205174A | Circuit breaker and assembly method of the same | |
| JP2020205675A | Distribution board | |
| JP2020205676A | Distribution board | |
| JP2020202729A | High-voltage power reception facility monitoring system | |
| JP2020198766A | Power switching system | |
| JP2020198737A | Vehicle charging system | |
| JP2020198736A | DC cooperation system | |
| JP2020194090A | Blank cover and splice unit | |
| JP2020194670A | Circuit breaker for wiring | |
| JP2020188669A | Vehicle charging system | |
| JP2020188668A | Vehicle charging system | |
| JP2020181691A | Circuit breaker | |
| JP2020182330A | Vehicle charging device | |
| JP2020177736A | Circuit breaker | |
| JP2020169927A | Earthquake-sensitive sensor | |
| JP2020170624A | Circuit breaker | |
| JP2020162358A | Power monitoring system |