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Kazunori Ayabe
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Hitachinaka-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Communication system in trains
Patent number
8,766,877
Issue date
Jul 1, 2014
Hitachi, Ltd.
Nao Saito
B61 - RAILWAYS
Patents Applications
last 30 patents
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Patent Application
COMMUNICATION SYSTEM IN TRAINS
Publication number
20080237406
Publication date
Oct 2, 2008
Nao Saito
B61 - RAILWAYS