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Hiroyuki Maruoka

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Air fuel supply system and oxygen sensor therefor

Internal-combustion engines – Charge forming device – Auxiliary control of carburetor fuel metering
Patent

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Air-fuel mixture ratio control using electrostatic force

Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent

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Air-fuel mixture ratio control using electrostatic force

Internal-combustion engines – Charge forming device – Combustible mixture ionization – ozonation – or electrolysis
Patent

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Buckle

Jewelry – symbolic insignia – and ornaments – Fastener – buckle or restraint for apparel or personal... – Pivoted or pushbutton release
Design Patent

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Buckle

Buckles – buttons – clasps – etc. – Separable-fastener or required component thereof – Including member having distinct formations and mating...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-361200

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