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Shogo Kitano
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Tokyo, JP
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last 30 patents
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Patent Grant
Illuminative light communication device
Patent number
7,583,901
Issue date
Sep 1, 2009
Nakagawa Laboratories, Inc.
Masao Nakagawa
F21 - LIGHTING
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last 30 patents
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Patent Application
Illuminative light communication device
Publication number
20060056855
Publication date
Mar 16, 2006
Masao Nakagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE