| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | EPO (European Patent Office) | 3 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Transport | |
| #3 | Environmental technology | |
| #4 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tsujino Shinichi | 9 |
| #2 | Inagaki Kazuhito | 6 |
| #3 | Yamamoto Masaaki | 4 |
| #4 | Shibukawa Akira | 3 |
| #5 | Higashiura Takashi | 1 |
| #6 | Nagano Takahiko | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2014091552A1 | Plug and cord equipped with plug | |
| EP2645490A1 | Electrical wire wiring structure for plug | |
| US7070460B1 | Power cord and its manufacturing method |