4. Photography
  5. Having variable focal length of camera objective
  6. Power zoom

Cheng-Fang Hsiao

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Drive source of a camera lens

Photography – Having variable focal length of camera objective – Power zoom
Reexamination Certificate

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Driving unit for analog meter

Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate

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Metal precursors for deposition of metal-containing films

Semiconductor device manufacturing: process – Coating with electrically or thermally conductive material – To form ohmic contact to semiconductive material
Reexamination Certificate

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Motor structure with built-in lens

Photography – With exposure objective focusing means – focusing aid – or... – Lens drive circuit or motor structure
Reexamination Certificate

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Motor structure with built-in lens

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

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Profile ID: LFUS-PAI-P-2964667

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