Inventor
UMEZU MASAHARU
JP27 patents
⚠️ This page may combine multiple inventors who share the name “UMEZU MASAHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
20 patentsUS7480565B2Jan 20, 2009
Map information processing device
MITSUBISHI ELECTRIC CORP75 citations98
US7403852B2Jul 22, 2008
Data architecture of map data, data architecture of update instruction data, map information processing apparatus, and map information providing apparatus
MITSUBISHI ELECTRIC CORP50 citations96
US7890255B2Feb 15, 2011
Navigation apparatus
MITSUBISHI ELECTRIC CORP17 citations92
US7877203B2Jan 25, 2011
Map information processing apparatus and storage medium of map information
MITSUBISHI ELECTRIC CORP24 citations92
US7610147B2Oct 27, 2009
Map data processing unit
MITSUBISHI ELECTRIC CORP30 citations92
US7526492B2Apr 28, 2009
Data structure of map data, map data storage medium, map data updating method and map data processing apparatus
MITSUBISHI ELECTRIC CORP23 citations92
US7136748B2Nov 14, 2006
Map data processing apparatus and center system
MITSUBISHI ELECTRIC CORP37 citations92
US6980907B2Dec 27, 2005
Map data processing unit
MITSUBISHI ELECTRIC CORP27 citations92
US6728633B2Apr 27, 2004
Map data processing apparatus and method of the same
MITSUBISHI ELECTRIC CORP26 citations92
US6643584B1Nov 4, 2003
Map information processing apparatus and map information transmission center
MITSUBISHI ELECTRIC CORP47 citations92
US6549847B2Apr 15, 2003
Navigation apparatus
MITSUBISHI ELECTRIC CORP38 citations92
US5978732ANov 2, 1999
On-vehicle path guide apparatus and path search method
MITSUBISHI ELECTRIC CORP62 citations92
US5583494ADec 10, 1996
Traffic information display system
MITSUBISHI ELECTRIC CORP48 citations91
US7797103B2Sep 14, 2010
Navigation apparatus
MITSUBISHI ELECTRIC CORP18 citations83
US7330788B2Feb 12, 2008
Data architecture of map data, data architecture of update instruction data, map information processing apparatus, and map information providing apparatus
MITSUBISHI ELECTRIC CORP7 citations74
US6567742B2May 20, 2003
On-board navigation terminal and navigation controller
MITSUBISHI ELECTRIC CORP8 citations74
US5293513AMar 8, 1994
Switching system for automotive vehicle including a reflector positioned below a sight line of a driver
MITSUBISHI ELECTRIC CORP13 citations73
US6397144B2May 28, 2002
On-vehicle information processor with map data and map data management
MITSUBISHI ELECTRIC CORP12 citations70
US8380432B2Feb 19, 2013
Map information processing apparatus
MITSUBISHI ELECTRIC CORP2 citations61
US7890251B2Feb 15, 2011
Onboard information terminal and map information providing apparatus and map information providing system using them
MITSUBISHI ELECTRIC CORP4 citations61
IKEUCHI TOMOYA
6 patentsUS8983769B2Mar 17, 2015
Map information processing apparatus
IKEUCHI TOMOYA2 citations62
US8626442B2Jan 7, 2014
Navigation apparatus
IKEUCHI TOMOYA2 citations62
US9322659B2Apr 26, 2016
Map information processing apparatus
IKEUCHI TOMOYA2 citations60
US9062981B2Jun 23, 2015
Map information processing apparatus
IKEUCHI TOMOYA1 citations51
US8532926B2Sep 10, 2013
Map information processing device
IKEUCHI TOMOYA0 citations48
US8803907B2Aug 12, 2014
Map information processor and data structure of map information
IKEUCHI TOMOYA0 citations39