Hareo Hamada

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Koganei, Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic noise attenuation method and apparatus for use in effect...
- Patent number 5,295,192
- Issue date Mar 15, 1994
- Hamada; Hareo
- Hareo Hamada
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Electronic noise attenuation system
- Patent number 5,018,202
- Issue date May 21, 1991
- Hitachi Plant Engineering & Construction Co., Ltd.
- Minoru Takahashi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Electronic noise attenuation system
- Patent number 4,783,817
- Issue date Nov 8, 1988
- Hitachi Plant Engineering and Construction Co., Ltd.
- Hareo Hamada
- G10 - MUSICAL INSTRUMENTS ACOUSTICS