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

Jung Ho Ryu

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Compact lens module

Optical: systems and elements – Lens – With support
Reexamination Certificate

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Flat type piezoelectric ultrasonic motor

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

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Flat type piezoelectric ultrasonic motor

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

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Lens driving device

Optical: systems and elements – Lens – With support
Reexamination Certificate

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Lens transfer device

Optical: systems and elements – Lens – With variable magnification
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2350195

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