4. Optical waveguides
  5. With optical coupler
  6. Particular coupling structure

Koichi Maru

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Array waveguide grating and method of manufacture thereof

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

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Optical wavelength multiplexer/demultiplexer

Optical waveguides – With optical coupler – Particular coupling structure
Patent

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Optical wavelength multiplexer/demultiplexer

Optical waveguides – With optical coupler – Plural
Reexamination Certificate

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Optical wavelength routing device

Optical waveguides – With optical coupler – Plural
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1744621

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