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Communication system for communication between in-vehicle terminals and center, and in-vehicle terminal employed in communication system App 20060122744 - Hayashi; Shinichi ;   et al. | 2006-06-08 |
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Navigation device and method of use having two separate route searching devices Grant 6,662,105 - Tada , et al. December 9, 2 | 2003-12-09 |
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Navigation system, remote navigation device and method, and in-vehicle navigation device Grant 6,636,805 - Tada , et al. October 21, 2 | 2003-10-21 |
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Communication system for communication between in-vehicle terminals and center, and in-vehicle terminal employed in communication system App 20030139857 - Hayashi, Shinichi ;   et al. | 2003-07-24 |
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