4. Electrical audio signal processing systems and devices
  5. Electro-acoustic audio transducer
  6. Having electrostatic element

Takeshi Yoshimura

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Automobile exhaust purifying system

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

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Cooling fin for heat exchanger

Heat exchange – Radiator core type – Deformed sheet forms passages between side-by-side tube means
Patent

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Damper for loudspeaker

Acoustics – Diaphragm – With damping means
Patent

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Data securing communication apparatus and method

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate

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Epoxy resin composition, prepreg and metal-clad laminate

Stock material or miscellaneous articles – Composite – Of epoxy ether
Reexamination Certificate

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Profile ID: LFUS-PAI-P-398442

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