Hitoshi Toda

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Diaphragm unit of a condenser microphone, a method of fabricatin

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only
Patent

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Exhaust emission control device of internal combustion engine

Power plants – Internal combustion engine with treatment or handling of... – By means producing a chemical reaction of a component of the...
Reexamination Certificate

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Failure diagnostic system for exhaust pressure increasing...

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Reexamination Certificate

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Internal combustion engine

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Reexamination Certificate

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Method of fabricating the diaphragm unit of a condenser micropho

Metal working – Method of mechanical manufacture – Electrical device making
Patent

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Profile ID: LFUS-PAI-P-454104

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