| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 3 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | China | 2 | |
| #4 | Australia | 1 | |
| #5 | Brazil | 1 | |
| #6 | Canada | 1 | |
| #7 | Japan | 1 | |
| #8 | Republic of Korea | 1 | |
| #9 | Singapore | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Engines, pumps and turbines | |
| #3 | Electrical machinery and energy | |
| #4 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hara Akio | 11 |
| #2 | Akio Hara | 3 |
| #3 | Nakada Hideki | 1 |
| #4 | Nakata Hideki | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2017120050A | Vertical wind power generation system, vertical water power generation system and control method therefor | |
| WO2010073743A1 | Coaxial inversion coreless generator | |
| CN102187096A | Fixing structure for generator shaft of wind driven generator of outer rotor coreless type |