Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10428801 | Wind power generation device | Hideki Fujiwara | 2019-10-01 |
| 9869352 | Clutch unit and wind power generation device | Hideki Fujiwara | 2018-01-16 |
| 9097295 | Power generation device | Hideki Fujiwara, Takafumi Uemoto, Nobuyuki Rito | 2015-08-04 |
| 8230986 | Torque limiter | Akihide Nagayama | 2012-07-31 |
| 8220609 | Torque limiter | Akihide Nagayama | 2012-07-17 |