4. Optical waveguides
  5. With optical coupler
  6. Plural

Shigendo Nishi

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Method for measuring distribution of zero dispersion wavelengths

Optics: measuring and testing – For optical fiber or waveguide inspection
Patent

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Optical branching equipment and optical network using the same

Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent

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Optical repeater and optical network using the same

Optical waveguides – With optical coupler – Plural
Patent

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Waveguide type optical device and position detecting method

Optical waveguides – With optical coupler – Switch
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1712545

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