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

Shigeaki Hayashi

Inventor

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Inventor

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Calculator

Printing and office machinery – Typewriter or calculator – Calculator
Patent

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Calculator

Printing and office machinery – Typewriter or calculator – Calculator
Patent

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Combined electronic calculating machine, radio and clock

Printing and office machinery – Typewriter or calculator – Calculator
Patent

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Desk-top calculator

Printing and office machinery – Typewriter or calculator – Calculator
Patent

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Digital watch

Measuring – testing – or signalling instruments – Watch – wristwatch or case
Patent

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Profile ID: LFUS-PAI-P-170254

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