Inventor · disambiguated record
Akio Sumizawa
Also filed as: SUMIZAWA AKIO
37 granted patents·5 pending applications·596 citations·filing 1985–2018
97Inventor score
Top patents by PatentIndex Score
42 records- 0197US8634984B2Navigation systemSUMIZAWA AKIO·Filed 2010·Granted Jan 21, 2014·84 cites·8 claims
- 0293US7739037B2Map update system, navigation apparatus and providing apparatusZANAVY INFORMATICS KK·Filed 2005·Granted Jun 15, 2010·61 cites·18 claims
- 0392US7339496B2Geographic data transmitting method, information delivering apparatus and information terminalZANAVY INFORMATICS KK·Filed 2003·Granted Mar 4, 2008·100 cites·21 claims
- 0484US7376509B2Travel time calculating method and traffic information display method for a navigation deviceZANAVY INFORMATICS KK·Filed 2004·Granted May 20, 2008·79 cites·14 claims
- 0584US4748567AMethod of performing a fail safe control for an engine and a fail safe control unit thereofNISSAN MOTOR·Filed 1985·Granted May 31, 1988·36 cites·9 claims
- 0683US10697790B2Lane selecting device, vehicle control system and lane selecting methodCLARION CO LTD·Filed 2015·Granted Jun 30, 2020·5 cites·4 claims
- 0783US7257485B2Navigation system, and information acquisition methodZANAVY INFORMATICS KK·Filed 2006·Granted Aug 14, 2007·19 cites·5 claims
- 0882US10982961B2Vehicle control system and vehicle control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Apr 20, 2021·4 cites·15 claims
- 0981US4660382ADevice for controlling the supercharging pressure of a turbochargerNISSAN MOTOR·Filed 1985·Granted Apr 28, 1987·34 cites·11 claims
- 1075US7231297B2Navigation system, abridged map distribution apparatus and vehicle guiding methodZANAVY INFORMATICS KK·Filed 2005·Granted Jun 12, 2007·14 cites·23 claims
- 1171US7653482B2On-vehicle navigation apparatus and subject vehicle position correction methodZANAVY INFORMATICS KK·Filed 2005·Granted Jan 26, 2010·10 cites·3 claims
- 1269US7493212B2Abridged map generating apparatus, on-vehicle information terminal, abridged map distribution system and abridged map generating methodZANAVY INFORMATICS KK·Filed 2005·Granted Feb 17, 2009·6 cites·12 claims
- 1369US4685302AControl system for variable geometry turbochargerNISSAN MOTOR·Filed 1985·Granted Aug 11, 1987·25 cites·16 claims
- 1467US9316504B2Navigation device and guidance method thereofSUMIZAWA AKIO·Filed 2010·Granted Apr 19, 2016·3 cites·5 claims
- 1565US7636634B2On-vehicle information terminalZANAVY INFORMATICS KK·Filed 2004·Granted Dec 22, 2009·4 cites·15 claims
- 1664US7561962B2Abridged map generating apparatus, on-vehicle information terminal, abridged map distribution system and abridged map generating methodZANAVY INFORMATICS KK·Filed 2005·Granted Jul 14, 2009·4 cites·5 claims
- 1763US7512489B2Route search method and traffic information display method for a navigation deviceZANAVY INFORMATICS KK·Filed 2004·Granted Mar 31, 2009·21 cites·21 claims
- 1861US7477269B2Abridged map generating apparatus, on-vehicle information terminal, abridged map distribution system and abridged map generating methodZANAVY INFORMATICS KK·Filed 2005·Granted Jan 13, 2009·3 cites·7 claims
- 1961US7363150B2On-vehicle information terminal abridged map generation apparatus and abridged map generation methodZANAVY INFORMATICS KK·Filed 2004·Granted Apr 22, 2008·1 cites·17 claims
- 2060US8825349B2On-vehicle information terminal and information distribution systemSUMIZAWA AKIO·Filed 2010·Granted Sep 2, 2014·2 cites·6 claims
- 2160US7908081B2Navigation apparatus, navigation system and route search methodZANAVY INFORMATICS KK·Filed 2007·Granted Mar 15, 2011·4 cites·17 claims
- 2260US7725254B2Navigation device used for a route searchZANAVY INFORMATICS KK·Filed 2006·Granted May 25, 2010·3 cites·8 claims
- 2358US9239241B2Navigation systemCLARION CO LTD·Filed 2013·Granted Jan 19, 2016·1 cites·20 claims
- 2458US8224570B2On-vehicle map display apparatus, map display methodSUMIZAWA AKIO·Filed 2008·Granted Jul 17, 2012·3 cites·10 claims
- 2558US7668650B2On-vehicle information terminal, abridged map generating apparatus, abridged map display method and display apparatusZANAVY INFORMATICS KK·Filed 2005·Granted Feb 23, 2010·2 cites·21 claims
- 2657US10184801B2Route searching apparatus and route searching methodCLARION CO LTD·Filed 2016·Granted Jan 22, 2019·0 cites·9 claims
- 2756US9816825B2Navigation device and method of searching route by the sameSUMIZAWA AKIO·Filed 2010·Granted Nov 14, 2017·1 cites·10 claims
- 2852US6185503B1Navigation systemZANAVY INFORMATICS KK·Filed 1997·Granted Feb 6, 2001·41 cites·19 claims
- 2949US8073876B2Computer 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
- 3049US7546205B2On-vehicle information terminal route characteristics extraction apparatus and route characteristics display methodZANAVY INFORMATICS KK·Filed 2004·Granted Jun 9, 2009·5 cites·13 claims
- 3148US10845205B2Route searching apparatus and route searching methodCLARION CO LTD·Filed 2018·Granted Nov 24, 2020·0 cites·4 claims
- 3245US7327366B2Navigation apparatus, map data distribution apparatus, map data distribution system and map display methodZANAVY INFORMATICS KK·Filed 2005·Granted Feb 5, 2008·0 cites·14 claims
- 3344US10157187B2Information terminal and programCLARION CO LTD·Filed 2012·Granted Dec 18, 2018·0 cites·11 claims
- 3444US5019964ADevice for interfacing data communicationsNISSAN MOTOR·Filed 1987·Granted May 28, 1991·13 cites·11 claims
- 3543US9171466B2On-vehicle information terminal and information distribution systemSUMIZAWA AKIO·Filed 2010·Granted Oct 27, 2015·0 cites·12 claims
- 3643US2006184317A1Map processor, navigation device and map displaying methodASAHARA AKINORI·Filed 2006·Application pending·0 cites
- 3742US7158149B2Map data transmitting method, map data transmitting apparatus, information device and map data transmitting systemZANAVY INFORMATICS KK·Filed 2003·Granted Jan 2, 2007·1 cites·34 claims
- 3841US6487498B2Vehicle cruising control device and methodNISSAN MOTOR·Filed 2001·Granted Nov 26, 2002·3 cites·8 claims
- 3941US2006149463A1Route guide information delivery method, route guidance method, information terminal and information delivery centerHCX CORP·Filed 2003·Application pending·0 cites
- 4040US2013035858A1Navigation Device, Guidance Method Thereof and Route Search Method ThereofCLARION CO LTD·Filed 2010·Application pending·0 cites
- 4140US2012259539A1Navigation Device and Guiding Method ThereofSUMIZAWA AKIO·Filed 2010·Application pending·0 cites
- 4239US2018045516A1Information processing device and vehicle position detecting methodCLARION CO LTD·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →