Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7936143 | Device for preventing sway of suspended load | Masao Ikeguchi, Hajime Hasegawa | 2011-05-03 |
| 7190134 | Torsional vibration suppressing method and apparatus in electric motor speed control system | Keisuke Sonoda, Masao Ikeguchi, Hirotaka Toujinbara | 2007-03-13 |
| 5495955 | Method and apparatus of damping the sway of the hoisting rope of a crane | — | 1996-03-05 |
| 5410228 | Method and apparatus for suppressing torsional vibration in an electric motor speed control system | Kaneyuki Hamada, Komei Hamamoto | 1995-04-25 |