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Akinobu Yoshimura
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Osaka, JP
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Patents Grants
last 30 patents
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Patent Grant
DC relay
Patent number
7,145,422
Issue date
Dec 5, 2006
Sumitomo Electric Industries, Ltd.
Hiroyuki Imanishi
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
DC relay
Publication number
20050285704
Publication date
Dec 29, 2005
Hiroyuki Imanishi
H01 - BASIC ELECTRIC ELEMENTS