Inventor · Berwyn, IL, US

Matthew Friederich

11Patents
10h-index
18Co-inventors
61Inventor score

Filing activity: Mar 16, 1998 → Mar 3, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US6208934A Method and system for providing walking instructions with route guidance in a navigation program Physics 233 Expired
US6249742A Method and system for providing a preview of a route calculated with a navigation system Emerging Cross-Sectional Technologies 166 Expired
US6038559A Segment aggregation in a geographic database and methods for use thereof in a navigation application Emerging Cross-Sectional Technologies 133 Expired
US6122593A Method and system for providing a preview of a route calculated with a navigation system Emerging Cross-Sectional Technologies 123 Expired
US6374182B1 Method and system for providing walking instructions with route guidance in a navigation program Physics 84 Expired
US7805317B2 Method of organizing map data for affinity relationships and application for use thereof Physics 49 Active
US6393149B1 Method and system for compressing data and a geographic database formed therewith and methods for use thereof in a navigation application program Emerging Cross-Sectional Technologies 46 Expired
US6507850B1 Segment aggregation and interleaving of data types in a geographic database and methods for use thereof in a navigation application Emerging Cross-Sectional Technologies 36 Expired
US6473770B1 Segment aggregation and interleaving of data types in a geographic database and methods for use thereof in a navigation application Emerging Cross-Sectional Technologies 36 Expired
US6768818B2 Method and system for compressing data and a geographic database formed therewith and methods for use thereof in a navigation application program Emerging Cross-Sectional Technologies 18 Expired
US6600841B1 Method and system for compressing data and a geographic database formed therewith and methods for use thereof in a navigation application program Emerging Cross-Sectional Technologies 5 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.