4. Electrical audio signal processing systems and devices
  5. Electro-acoustic audio transducer
  6. Housed microphone

Hideaki Kakinuma

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Adjustable microphone apparatus

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Housed microphone
Reexamination Certificate

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Microphone apparatus

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Housed microphone
Reexamination Certificate

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Microphone apparatus

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Housed microphone
Reexamination Certificate

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Radio controlling apparatus

Telecommunications – Radiotelephone system – Programming control
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2602620

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