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Variable valve timing control device
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Patent number 7,444,964
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Issue date Nov 4, 2008
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Aisin Seiki Kabushiki Kaisha
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Yoji Kanada
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Valve timing control device
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Patent number 6,820,578
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Issue date Nov 23, 2004
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Aisin Seiki Kabushiki Kaisha
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Yoji Kanada
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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Variable valve timing system
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Patent number 6,443,113
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Issue date Sep 3, 2002
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Aisin Seiki Kabushiki Kaisha
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Yoji Kanada
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Variable valve timing system
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Patent number 6,408,807
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Issue date Jun 25, 2002
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Aisin Seiki Kabushiki Kaisha
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Osamu Komazawa
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS