Shinji Katayama

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Hamamatsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pickup unit and pickup assembly for musical instrument
- Patent number 4,189,969
- Issue date Feb 26, 1980
- Nippon Gakki Seizo Kabushiki Kaisha
- Shinji Katayama
- G10 - MUSICAL INSTRUMENTS ACOUSTICS