Inventor
MUTSUGA KATSUHIKO
JP8 patents
Patents
8 patentsUS6922629B2Jul 26, 2005
Traffic information retrieval method, traffic information retrieval system, mobile communication device, and network navigation center
AISIN AW CO245 citations98
US6101443AAug 8, 2000
Route search and navigation apparatus and storage medium storing computer programs for navigation processing with travel difficulty by-pass
AISIN AW CO486 citations98
US5911773AJun 15, 1999
Navigation system for vehicles
AISIN AW CO352 citations98
US6061628AMay 9, 2000
Navigation system for vehicles
AISIN AW CO83 citations96
US9696170B2Jul 4, 2017
Route calculation system, route calculation method, and computer program
AISIN AW CO2 citations71
US10209086B2Feb 19, 2019
Route search system, method, and program
AISIN AW CO0 citations51
US10175056B2Jan 8, 2019
Route search system, method, and program
AISIN AW CO0 citations51
US10168163B2Jan 1, 2019
Navigation system, navigation method, and navigation program
AISIN AW CO0 citations51