4. Printing and office machinery
  5. Typewriter or calculator
  6. Calculator

Keiji Sakata

Inventor

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Calculator

Printing and office machinery – Typewriter or calculator – Calculator
Patent

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Combined digital audio disc player, radio tuner and tape recorde

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

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Digital disk player

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

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Digital disk player

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

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Electronic calculator

Printing and office machinery – Typewriter or calculator – Calculator
Patent

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Profile ID: LFUS-PAI-P-193131

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