Katsuhiko Ushiyama

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Nagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Speed governor for music box or the like
- Patent number 5,179,236
- Issue date Jan 12, 1993
- K.K. Sankyo Seiki Seisakusho
- Yasuzo Shimotori
- G10 - MUSICAL INSTRUMENTS ACOUSTICS