Hidetaka Hanajima

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Shizuoka-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of assembling an upright piano
- Patent number 5,959,223
- Issue date Sep 28, 1999
- Kabushiki Kaisha Kawai Gakki Seisakusho
- Riichi Kitashima
- G10 - MUSICAL INSTRUMENTS ACOUSTICS