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

Yuuichi Sawai

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Optical information recording medium, manufacturing method...

Stock material or miscellaneous articles – Circular sheet or circular blank
Reexamination Certificate

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Optical switch, element therefor, and optical switching method

Optical waveguides – With optical coupler – Switch
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2827324

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