Seiya Hamada

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Hamamatsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic musical instrument generating supplementary notes automa...
- Patent number 4,336,735
- Issue date Jun 29, 1982
- Nippon Gakki Seizo Kabushiki Kaisha
- Takehisa Amano
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Electronic musical instrument capable of fill-note generation
- Patent number 4,328,732
- Issue date May 11, 1982
- Nippon Gakki Seizo Kabushiki Kaisha
- Toshio Takeda
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Electronic musical instrument
- Patent number 4,292,873
- Issue date Oct 6, 1981
- Nippon Gakki Seizo Kabushiki Kaisha
- Takatoshi Okumura
- G10 - MUSICAL INSTRUMENTS ACOUSTICS