Whole-tone keyboards

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Industries

Patents Grantslast 30 patents

Information Patent Grant
Electronic musical instrument
- Patent number 11,551,653
- Issue date Jan 10, 2023
- Yamaha Corporation
- Akihiko Komatsu
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Musical instrument with keyboard
- Patent number 5,404,788
- Issue date Apr 11, 1995
- Grace J. Frix
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Musical equipment enabling a fixed selection of digitals to sound d...
- Patent number 5,129,303
- Issue date Jul 14, 1992
- Donald K. Coles
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Apparatus for musical scale selection and key signature actuation
- Patent number 4,903,572
- Issue date Feb 27, 1990
- Donald K. Coles
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Key signature actuator for a musical keyboard
- Patent number 4,821,619
- Issue date Apr 18, 1989
- Donald K. Coles
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Electronic musical instrument
- Patent number 4,750,399
- Issue date Jun 14, 1988
- Donald K. Coles
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Electronic musical instrument
- Patent number 4,640,173
- Issue date Feb 3, 1987
- Donald K. Coles
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
3141371
- Patent number 3,141,371
- Issue date Jul 21, 1964
- G10 - MUSICAL INSTRUMENTS ACOUSTICS