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Ikuo Mizoguchi
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Tochigi, JP
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last 30 patents
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Patent Grant
Diaphragm for a capacitance type loudspeaker
Patent number
5,590,212
Issue date
Dec 31, 1996
Sony Corporation
Masaru Uryu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...