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Toshifumi Okamura
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Neyagawa-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Multichannel amplifier
Patent number
8,054,998
Issue date
Nov 8, 2011
ONKYO Corporation
Toshifumi Okamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
MULTICHANNEL AMPLIFIER
Publication number
20080279402
Publication date
Nov 13, 2008
Toshifumi Okamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE