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

Keizo Tatsumi

Inventor

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Details

Inventor

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Combined speaker and amplifier

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor
Patent

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Electric percussion instrument with floppy disk player

Musical instruments – Percussion instrument
Patent

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Electronic keyboard musical instrument

Musical instruments – Keyboard type
Reissue Patent

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Electronic keyboard musical instrument

Musical instruments – Keyboard type
Patent

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Electronic piano

Musical instruments – Keyboard type – Piano or cabinet therefor
Design Patent

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Profile ID: LFUS-PAI-P-1238009

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