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Fuel injection system
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Patent number 6,293,255
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Issue date Sep 25, 2001
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Yamaha Hatsudoki Kabushiki Kaisha
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Kimitake Otome
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Fuel injection system
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Patent number 6,146,102
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Issue date Nov 14, 2000
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Yamaha Hatsudoki Kabushiki Kaisha
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Kimitake Otome
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Porting arrangement for two cycle engine
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Patent number 6,019,074
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Issue date Feb 1, 2000
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Yamaha Hatsudoki Kabushiki Kaisha
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Kimitake Otome
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Scavenge system for two cycle engines
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Patent number 5,992,358
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Issue date Nov 30, 1999
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Yamaha Hatsudoki Kabushiki Kaisha
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Kimitake Otome
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Scavenge control for engine
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Patent number 5,740,767
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Issue date Apr 21, 1998
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Yamaha Hatsudoki Kabushiki Kaisha
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Junichi Kaku
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Two-cycle engine
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Patent number 5,671,703
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Issue date Sep 30, 1997
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Yamaha Matsudoki Kabushiki Kaisha
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Kimitake Otome
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS