| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | Singapore | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Australia | 1 | |
| #6 | Canada | 1 | |
| #7 | China | 1 | |
| #8 | Czechia | 1 | |
| #9 | United Kingdom | 1 | |
| #10 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines | |
| #4 | Transport | |
| #5 | Environmental technology | |
| #6 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Miyagawa Megumi | 14 |
| #2 | Kondo Keiko | 13 |
| #3 | Miyagawa Masaaki | 7 |
| #4 | Megumi Miyagawa | 1 |
| #5 | Konda Keiko | 1 |
| #6 | Keiko Kondo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA3085726A1 | Rotation apparatus and power generation system | |
| WO2016143163A1 | Rotary device and power supply system | |
| US2015040717A1 | Rotation maintaining device |