Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8800346 | Wind tunnel balance calibrator | Yoshihiro Hamada, Takeo Kawamura, Toshiyuki Kimura | 2014-08-12 |
| 6190132 | Rotor blade for rotorcraft | Eiichi Yamakawa, Tomoka Tsujiuchi | 2001-02-20 |
| 5655878 | Higher harmonic control apparatus for a helicopter rotor | Eiichi Yamakawa, Noboru Kobiki | 1997-08-12 |