Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8686275 | Pedal actuator with nonlinear sensor | — | 2014-04-01 |
| 7851690 | Method and system for automatic calibration of pedal actuator in a reproducing piano | — | 2010-12-14 |
| 7847168 | System and method for driving actuators in a reproducing piano | — | 2010-12-07 |
| 7718871 | System and method for actuating keys with different lever advantages | — | 2010-05-18 |
| 7687691 | System and method for driving actuators in reproducing piano | — | 2010-03-30 |
| 7560627 | System and method for driving actuators in a reproducing piano | — | 2009-07-14 |
| 5627333 | Keyboard musical instrument equipped with built-in distance measuring instrument for hammer sensors | Yuji Fujiwara, Taro Kawabata, Rei Furukawa, Takashi Tamaki | 1997-05-06 |
| 5042353 | Method and apparatus for producing variable intensity in a piano performance | — | 1991-08-27 |
| 5022301 | Multiplexed multiple intensity reproducing piano | — | 1991-06-11 |
| 5016513 | Method and apparatus for reproducing pedaling effects in a piano performance | — | 1991-05-21 |
| 4593592 | Method and apparatus for altering actuator drive in a reproducing piano | — | 1986-06-10 |
| 4450749 | Method and apparatus for recording and reproducing pedalling effects in a piano performance | — | 1984-05-29 |
| 4307648 | Method and apparatus for measuring the dynamics of a piano performance | — | 1981-12-29 |