Assignee

KONAKA DAISUKE

JP·1 granted patent·13 citations·filing 2009–2009

Technology mixB62D1 G01C1 G08G1

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0171US8421648B2Wrong-way-travel warning device and wrong-way-travel warning methodKONAKA DAISUKE·Filed 2009·Granted Apr 16, 2013·13 cites·3 claims

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