Akio Mizoguchi

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Speaker device
- Patent number 6,665,412
- Issue date Dec 16, 2003
- Sony Corporation
- Akio Mizoguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker unit
- Patent number 6,031,921
- Issue date Feb 29, 2000
- AIWA Co., Ltd.
- Akio Mizoguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE