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Yoshinori Yamada
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Katano, JP
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last 30 patents
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Patent Grant
Speech signal processing apparatus for amplifying an input signal b...
Patent number
5,583,969
Issue date
Dec 10, 1996
Technology Research Association of Medical and Welfare Apparatus
Yoshiyuki Yoshizumi
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Patent Grant
Apparatus and method for speech signal processing
Patent number
5,408,581
Issue date
Apr 18, 1995
Technology Research Association of Medical and Welfare Apparatus
Ryoji Suzuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS