Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8532925 | Spatial indexing method and apparatus for navigation system for indexing and retrieval of XML map data | — | 2013-09-10 |
| 8150620 | Route search method and apparatus for navigation system utilizing map data of XML format | — | 2012-04-03 |
| 7542846 | Navigation system utilizing XML/SVG map data converted from geographic map data and layered structure of XML/SVG map data based on administrative regions | Hirohisa Yamaguchi | 2009-06-02 |