Inventor
Tetsusai Kondo
Inventor
Hamamatsu, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G10Fprimary
G10FAutomatic musical instruments50%
G10HElectrophonic musical instruments21%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
G08CTransmission systems for measured values, control or similar signals7%
G10GRepresentation of music7%
PatentTitleYear
5,600,521'Automatic performing apparatus with power supply controller'19975,535,224'Automatic performing system capable of detection and correction of errors in performance information'19965,432,295'Play data recording apparatus for keyed musical instrument'19955,345,036'Volume control apparatus for an automatic player piano'19945,335,574'Self playing piano and an apparatus for automatic playing of a piano'19945,324,883'Method and device for preventing imbalance of sound emissions in an automatic performing piano'19945,321,199'Method and device for preventing imbalance of sound emissions in an automatic performing piano'19945,276,270'Solenoid drive system for an automatic performing apparatus'19945,012,715'Sensor for an automatic piano player apparatus'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1997Patents assigned to KAWAI MUSICAL INSTR MFG CO (9)· patent assignee history
1991–1997Based in Hamamatsu, JP· patent location history
1994Based in Shizuoka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KAWAI MUSICAL INSTR MFG CO | 9 | 1991–1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hamamatsu, JP | 7 | 1991–1997 |
| Shizuoka, JP | 2 | 1994 |