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Koji Arata
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Yokohama-shi, JP
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Patents Applications
last 30 patents
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Patent Application
Road-vehicle communication system, and roadside apparatus, mobile a...
Publication number
20050083866
Publication date
Apr 21, 2005
Hiroyuki Kubotani
G06 - COMPUTING CALCULATING COUNTING
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Patent Application
Communication system, and base station and mobile station which are...
Publication number
20050020290
Publication date
Jan 27, 2005
Koji Arata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
Vehicle-mounted apparatus and guidance system
Publication number
20040181324
Publication date
Sep 16, 2004
Koji Arata
G08 - SIGNALLING