Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8596614 | Method for hoisting and lowering device in rotor head of wind turbine generator | Tomohiro Numajiri, Yoshihiro Fujioka | 2013-12-03 |
| 8215912 | Wind turbine generator | Tomohiro Numajiri, Yoshihiro Fujioka | 2012-07-10 |
| 8212372 | Wind turbine generator with seal mechanism | Yoshihiro Fujioka | 2012-07-03 |