Minoru Nishizono

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electroacoustic transducer and a method for manufacturing thereof
- Patent number 4,621,171
- Issue date Nov 4, 1986
- Tokoyo Shibaura Denki Kabushiki Kaisha
- Hiroto Wada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electroacoustic transducer and a method for manufacturing thereof
- Patent number 4,615,105
- Issue date Oct 7, 1986
- Tokyo Shibaura Denki Kabushiki Kaisha
- Hiroto Wada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE