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Akihiro Gotoh
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Kanagawa, JP
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Patents Grants
last 30 patents
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Patent Grant
Switching device and electric apparatus
Patent number
7,492,557
Issue date
Feb 17, 2009
Ricoh Company, Ltd.
Yukio Noguchi
H01 - BASIC ELECTRIC ELEMENTS
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last 30 patents
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Patent Application
Switching device and electric apparatus
Publication number
20050275995
Publication date
Dec 15, 2005
Yukio Noguchi
H01 - BASIC ELECTRIC ELEMENTS