4. Music
  5. Instruments
  6. Electrical musical tone generation

Kanehisa Tsurumi

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Karaoke apparatus

Education and demonstration – Cathode ray screen display and audio means
Reexamination Certificate

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Karaoke apparatus with individual scoring of duet singers

Music – Instruments – Electrical musical tone generation
Patent

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Karaoke system including host apparatus that downloads informati

Music – Instruments – Electrical musical tone generation
Patent

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Method of managing information files in a communication karaoke

Education and demonstration – Cathode ray screen display and audio means
Patent

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Method of operating a karaoke network system with system program

Education and demonstration – Cathode ray screen display and audio means
Patent

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Profile ID: LFUS-PAI-P-434190

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