4. Recording, communication, or information retrieval equipment
  5. Video or audio transmission, recording or playback equipment
  6. Telephone equipment

Yasuo Yuyama

Inventor

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Amplifier

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Radio receiver – tuner or amplifier – or housing therefor
Patent

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Audio player

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment
Design Patent

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Audio/data disc player

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Combined
Design Patent

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Audio/data disc player

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Combined
Design Patent

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Combined disc player and amplifier

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Video
Design Patent

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Profile ID: LFUS-PAI-P-341780

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