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NAVIGATION TECH CORP

Overview
  • Total Patents
    196
About

NAVIGATION TECH CORP has a total of 196 patent applications. Its first patent ever was published in 1995. It filed its patents most often in United States, Japan and EPO (European Patent Office). Its main competitors in its focus markets measurement, control and computer technology are NAVTEQ NORTH AMERICA LLC, TOMTOM BELGIUM NV and ZANAVY INFORMATICS KK.

Patent filings in countries

World map showing NAVIGATION TECH CORPs patent filings in countries
# Country Total Patents
#1 United States 123
#2 Japan 58
#3 EPO (European Patent Office) 11
#4 Canada 4

Patent filings per year

Chart showing NAVIGATION TECH CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ashby Richard A 28
#2 Mcdonough William 22
#3 Meek James A 20
#4 Kaplan Lawrence M 20
#5 Lampert David S 19
#6 Jasper John C 18
#7 Smith Nicholas E 16
#8 Bouzide Paul M 16
#9 Jasper John 15
#10 Fernekes Robert P 15

Latest patents

Publication Filing date Title
JP2004030571A Method for providing advertisement based on route information and position
JP2004030570A Method for collecting market investigation information
EP1293935A2 Method for constructing polygonized geographic features
US6704648B1 Bearing data for route guidance
US6636804B1 Method for associating the features of two geographic databases
US6741932B1 Method and system for using real-time traffic broadcasts with navigation systems
US6751549B1 Method and system for route calculation that avoids railroad crossings
EP1227302A1 Bowing coefficient representation of curvature of geographic features
US6564144B1 Method and system using a hand-gesture responsive device for collecting data for a geographic database
US6701249B1 Navigation system with wireless logging for billing
US6631321B1 Vehicle heading change determination using compensated differential wheel speed
US6473770B1 Segment aggregation and interleaving of data types in a geographic database and methods for use thereof in a navigation application
US6609063B1 System and method for using a map database with attributed no-outlet and circular segments
US6732046B1 Application of the hough transform to modeling the horizontal component of road geometry and computing heading and curvature
US6473690B1 Three-dimensional space curve comparison using spatial angle variance metric and applications thereof
US6571195B2 Method for calculating distance using piece-wise linear interpolation
US6446002B1 Route controlled audio programming
US6629034B1 Driving profile method and system
US6560531B1 Multi-resolution trend metric for shape comparison and applications thereof
US6597987B1 Method for improving vehicle positioning in a navigation system