| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 21 | |
| #2 | Japan | 2 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Environmental technology | |
| #3 | Optics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nishimura Koichiro | 23 |
| #2 | Kondo Yoshitake | 4 |
| #3 | Inoue Masayuki | 3 |
| #4 | Toda Tsuyoshi | 3 |
| #5 | Kurebayashi Masaaki | 2 |
| #6 | Nagai Yutaka | 2 |
| #7 | Nakamura Yusuke | 2 |
| #8 | Kawashima Toru | 2 |
| #9 | Yasukawa Takakiyo | 1 |
| #10 | Katsuki Manabu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2015025444A | Double wind-turbine type wind power generator | |
| JP2004162684A | Double windmill power generating device |