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

Noboru Takachio

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Light generation method and light source

Optical: systems and elements – Optical amplifier
Reexamination Certificate

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Multi-wavelength optical modulation circuit and...

Optical communications – Multiplex – Wavelength division or frequency division
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Multilevel light-intensity modulating circuit

Optical: systems and elements – Optical modulator
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Node apparatus, optical wavelength division multiplexing...

Optical communications – Multiplex – Broadcast and distribution system
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Node apparatus, optical wavelength division multiplexing...

Optical communications – Fault recovery – Bypass inoperative element
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Profile ID: LFUS-PAI-P-1256250

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