Inventor · disambiguated record
Masaharu Umezu
Also filed as: UMEZU MASAHARU
27 granted patents·7 pending applications·578 citations·filing 1991–2011
97Inventor score
Top patents by PatentIndex Score
34 records- 0196US7480565B2Map information processing deviceMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Jan 20, 2009·75 cites·40 claims
- 0290US7877203B2Map information processing apparatus and storage medium of map informationMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Jan 25, 2011·24 cites·15 claims
- 0386US6549847B2Navigation apparatusMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Apr 15, 2003·38 cites·13 claims
- 0485US7797103B2Navigation apparatusMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Sep 14, 2010·18 cites·17 claims
- 0585US7403852B2Data architecture of map data, data architecture of update instruction data, map information processing apparatus, and map information providing apparatusMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Jul 22, 2008·50 cites·5 claims
- 0683US7526492B2Data structure of map data, map data storage medium, map data updating method and map data processing apparatusMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Apr 28, 2009·23 cites·19 claims
- 0782US6643584B1Map information processing apparatus and map information transmission centerMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Nov 4, 2003·47 cites·21 claims
- 0876US7610147B2Map data processing unitMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Oct 27, 2009·30 cites·8 claims
- 0975US6567742B2On-board navigation terminal and navigation controllerMITSUBISHI ELECTRIC CORP·Filed 2002·Granted May 20, 2003·8 cites·19 claims
- 1074US6980907B2Map data processing unitMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Dec 27, 2005·27 cites·7 claims
- 1172US7136748B2Map data processing apparatus and center systemMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Nov 14, 2006·37 cites·8 claims
- 1270US6728633B2Map data processing apparatus and method of the sameMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Apr 27, 2004·26 cites·10 claims
- 1368US5583494ATraffic information display systemMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Dec 10, 1996·48 cites·13 claims
- 1467US7890255B2Navigation apparatusMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Feb 15, 2011·17 cites·3 claims
- 1566US7330788B2Data architecture of map data, data architecture of update instruction data, map information processing apparatus, and map information providing apparatusMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Feb 12, 2008·7 cites·10 claims
- 1666US2011231093A1Map information processing deviceMITSUBISHI ELECTRIC CORP·Filed 2009·Application pending·0 cites
- 1765US8983769B2Map information processing apparatusIKEUCHI TOMOYA·Filed 2011·Granted Mar 17, 2015·2 cites·4 claims
- 1864US8626442B2Navigation apparatusIKEUCHI TOMOYA·Filed 2010·Granted Jan 7, 2014·2 cites·16 claims
- 1962US7890251B2Onboard information terminal and map information providing apparatus and map information providing system using themMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Feb 15, 2011·4 cites·23 claims
- 2057US5978732AOn-vehicle path guide apparatus and path search methodMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Nov 2, 1999·62 cites·20 claims
- 2155US9062981B2Map information processing apparatusIKEUCHI TOMOYA·Filed 2005·Granted Jun 23, 2015·1 cites·6 claims
- 2255US8380432B2Map information processing apparatusMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Feb 19, 2013·2 cites·14 claims
- 2355US6397144B2On-vehicle information processor with map data and map data managementMITSUBISHI ELECTRIC CORP·Filed 2000·Granted May 28, 2002·12 cites·7 claims
- 2454US9322659B2Map information processing apparatusIKEUCHI TOMOYA·Filed 2007·Granted Apr 26, 2016·2 cites·7 claims
- 2551US8483953B2Map information processing apparatusUMEZU MASAHARU·Filed 2008·Granted Jul 9, 2013·3 cites·18 claims
- 2651US2009319174A1Navigation apparatusMITSUBISHI ELECTRIC CORP·Filed 2009·Application pending·0 cites
- 2747US8532926B2Map information processing deviceIKEUCHI TOMOYA·Filed 2009·Granted Sep 10, 2013·0 cites·3 claims
- 2846US5293513ASwitching system for automotive vehicle including a reflector positioned below a sight line of a driverMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Mar 8, 1994·13 cites·10 claims
- 2945US8803907B2Map information processor and data structure of map informationIKEUCHI TOMOYA·Filed 2008·Granted Aug 12, 2014·0 cites·19 claims
- 3045US2011231090A1Map information processing deviceIKEUCHI TOMOYA·Filed 2009·Application pending·0 cites
- 3144US2005010932A1Information providing systemMITSUBISHI ELECTRIC CORP·Filed 2004·Application pending·0 cites
- 3242US2005216511A1Guidance information retrieval apparatus and guidance information retrieval system using this guidance information retrieval apparatusMITSUBISHI ELECTRIC CORP·Filed 2005·Application pending·0 cites
- 3336US2001009427A1Navigation apparatus and recording medium providing communication between applicationsFiled 2001·Application pending·0 cites
- 3432US2001002457A1On-vehicle information systemFiled 2000·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →