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

Naoaki Matsumoto

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Auto-playing apparatus

Music – Instruments
Patent

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Auto-playing apparatus

Music – Instruments – Electrical musical tone generation
Patent

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Charging apparatus

Electricity: battery or capacitor charging or discharging – Battery or cell charging – Time control
Reexamination Certificate

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Electronic device of a type in which musical tones are produced

Music – Instruments – Electrical musical tone generation
Patent

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Electronic musical instrument having a plurality of tone generat

Music – Instruments – Electrical musical tone generation
Patent

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Profile ID: LFUS-PAI-P-70654

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