Assignee
SUMIZAWA AKIO
JP·7 granted patents·1 pending application·97 citations·filing 2003–2010
Top patents by PatentIndex Score
8 records- 0197US8634984B2Navigation systemSUMIZAWA AKIO·Filed 2010·Granted Jan 21, 2014·84 cites·8 claims
- 0267US9316504B2Navigation device and guidance method thereofSUMIZAWA AKIO·Filed 2010·Granted Apr 19, 2016·3 cites·5 claims
- 0360US8825349B2On-vehicle information terminal and information distribution systemSUMIZAWA AKIO·Filed 2010·Granted Sep 2, 2014·2 cites·6 claims
- 0458US8224570B2On-vehicle map display apparatus, map display methodSUMIZAWA AKIO·Filed 2008·Granted Jul 17, 2012·3 cites·10 claims
- 0556US9816825B2Navigation device and method of searching route by the sameSUMIZAWA AKIO·Filed 2010·Granted Nov 14, 2017·1 cites·10 claims
- 0649US8073876B2Computer product having distribution map data, distribution map data generating method, distrubution map data generating apparatus and terminal deviceSUMIZAWA AKIO·Filed 2003·Granted Dec 6, 2011·4 cites·19 claims
- 0743US9171466B2On-vehicle information terminal and information distribution systemSUMIZAWA AKIO·Filed 2010·Granted Oct 27, 2015·0 cites·12 claims
- 0840US2012259539A1Navigation Device and Guiding Method ThereofSUMIZAWA AKIO·Filed 2010·Application pending·0 cites
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