Hideo Yamashita

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Hamamatsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Upright piano equipped with coupling units for horizontally support...
- Patent number 5,259,287
- Issue date Nov 9, 1993
- Yamaha Corporation
- Takane Sato
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Sound board assembly for an upright piano
- Patent number 4,531,442
- Issue date Jul 30, 1985
- Nippon Gakki Seizo Kabushiki Kaisha
- Yasutoshi Kaneko
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Piano construction for enriched stereophonic tonal radiation
- Patent number 4,314,497
- Issue date Feb 9, 1982
- Nippon Gakki Seizo Kabushiki Kaisha
- Hideo Yamashita
- G10 - MUSICAL INSTRUMENTS ACOUSTICS