Norizo Kamimura

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Hamamatsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Key device for electronic keyboard musical instrument
- Patent number 4,890,533
- Issue date Jan 2, 1990
- Kabushiki Kaisha Kawai Gakki Seisakusho
- Masanori Katsuta
- G10 - MUSICAL INSTRUMENTS ACOUSTICS