4. Electrical audio signal processing systems and devices
  5. Acoustical noise or sound cancellation
  6. Adjacent ear

Akira Motojima

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Mobile acoustic reproducing apparatus

Electrical audio signal processing systems and devices – Binaural and stereophonic – Hearing aid
Patent

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Mounting structure of speaker for vehicle

Acoustics – Sound-modifying means – Housing or enclosure
Reexamination Certificate

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Navigation apparatus

Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Reexamination Certificate

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Navigation apparatus

Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Reexamination Certificate

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Noise reducing device

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Adjacent ear
Patent

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Profile ID: LFUS-PAI-P-310501

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