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

Yaoqiang Chen

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Non-symmetric drive type piezoelectric ceramic transformer

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Reexamination Certificate

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Piezoelectric anion generator controled by integrated circuit

Electricity: electrical systems and devices – Electric charge generating or conducting means – Modification of environmental electric charge
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3120521

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