4. Optical waveguides
  5. Planar optical waveguide

Liang Dong

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Asymmetric low dispersion bragg grating filter

Optical waveguides – With optical coupler – Input/output coupler
Reexamination Certificate

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Chirped optical fibre grating

Optical waveguides – With optical coupler – Input/output coupler
Utility Patent

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Digital printing press

Printing – Planographic – Rotary machines
Reexamination Certificate

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Dispersion compensating module and mode converter, coupler...

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

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Dispersion compensating module and mode converter, coupler...

Optical waveguides – Optical fiber waveguide with cladding
Reexamination Certificate

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Profile ID: LFUS-PAI-P-404700

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