Nishiwaki Laboratory

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sound attenuating system
- Patent number 5,347,585
- Issue date Sep 13, 1994
- Calsonic Corporation
- Masao Taki
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Acoustic conductance and silencer utilizing same
- Patent number 5,257,316
- Issue date Oct 26, 1993
- Matsushita Electric Works, Ltd.
- Hiroaki Takeyama
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

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