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Kenji Kutsuki
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Osaka-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Roadway communication system
Patent number
7,286,611
Issue date
Oct 23, 2007
Sumitomo Electric Industries, Ltd.
Akihiro Kamemura
G08 - SIGNALLING
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Patent Grant
Communication system between road and vehicle
Patent number
6,744,823
Issue date
Jun 1, 2004
Sumitomo Electric Industries, Ltd.
Akihiro Kamemura
G08 - SIGNALLING
Patents Applications
last 30 patents
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Patent Application
Roadway communication system
Publication number
20040180698
Publication date
Sep 16, 2004
Sumitomo Electric Industries, Ltd.
Akihiro Kamemura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Roadway communication system
Publication number
20040180650
Publication date
Sep 16, 2004
Sumitomo Electric Industries, Ltd.
Akihiro Kamemura
H04 - ELECTRIC COMMUNICATION TECHNIQUE