4. Recording, communication, or information retrieval equipment
  5. Video or audio transmission, recording or playback equipment
  6. Element or attachment

Renfeng Gao

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Athermal polymer optical waveguide on polymer substrate

Optical waveguides – Planar optical waveguide
Reexamination Certificate

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Compact optical amplifier module

Optical waveguides – Accessories – Splice box and surplus fiber storage/trays/organizers/ carriers
Reexamination Certificate

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Nanocomposite microresonators

Optical waveguides – With optical coupler – Particular coupling structure
Reexamination Certificate

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Optical amplifier

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Design Patent

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Optical amplifier

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Design Patent

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Profile ID: LFUS-PAI-P-2472757

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