4. Electrical generator or motor structure
  5. Non-dynamoelectric
  6. Piezoelectric elements and devices

Shuji Otawa

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Analogue alarm electronic timepiece

Horology: time measuring systems or devices – Signalling means – Time condition responsive
Patent

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Detection device of electronic timepiece

Horology: time measuring systems or devices – Chronological – With mechanical or electromechanical driven display
Patent

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Detection device of electronic timepiece

Electricity: motive power systems – Open-loop stepping motor control systems
Patent

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Electronic timepiece

Electricity: motive power systems – Open-loop stepping motor control systems
Patent

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Electronic timepiece

Horology: time measuring systems or devices – Power supply details – Electrical
Patent

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Profile ID: LFUS-PAI-P-454140

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