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Navigation system for vehicle
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Patent number 6,820,001
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Issue date Nov 16, 2004
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Mitsubishi Denki Kabushiki Kaisha
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Masatsugu Norimoto
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G01 - MEASURING TESTING
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Navigation apparatus
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Patent number 6,681,178
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Issue date Jan 20, 2004
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Mitsubishi Denki Kabushiki Kaisha
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Koichi Inoue
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Navigation device
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Patent number 6,366,852
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Issue date Apr 2, 2002
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Mitsubishi Denki Kabushiki Kaisha
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Takashi Irie
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G08 - SIGNALLING
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Navigation apparatus
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Patent number 5,982,301
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Issue date Nov 9, 1999
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Mitsubishi Denki Kabushiki Kaisha
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Masako Ohta
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G08 - SIGNALLING