Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5600521 | Automatic performing apparatus with power supply controller | — | 1997-02-04 |
| 5535224 | Automatic performing system capable of detection and correction of errors in performance information | Haruhiko Matsui | 1996-07-09 |
| 5432295 | Play data recording apparatus for keyed musical instrument | Hiroshi Matsunaga | 1995-07-11 |
| 5345036 | Volume control apparatus for an automatic player piano | — | 1994-09-06 |
| 5335574 | Self playing piano and an apparatus for automatic playing of a piano | Hiroshi Matsunaga | 1994-08-09 |
| 5324883 | Method and device for preventing imbalance of sound emissions in an automatic performing piano | — | 1994-06-28 |
| 5321199 | Method and device for preventing imbalance of sound emissions in an automatic performing piano | — | 1994-06-14 |
| 5276270 | Solenoid drive system for an automatic performing apparatus | — | 1994-01-04 |
| 5012715 | Sensor for an automatic piano player apparatus | Hiroshi Matsunaga, Hisamitsu Honda, Haruhiko Matsui, Masahiko Akita, Tatsuya Inaba +1 more | 1991-05-07 |