4. Telecommunications
  5. Receiver or analog modulated signal frequency converter
  6. Signal selection based on frequency

Yasuaki Tamura

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Bidirectional optical module and optical time domain...

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

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Developing apparatus with the following roller closer to the dru

Photocopying – Contact printing – Light boxes
Patent

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Optical amplifier

Optical: systems and elements – Optical amplifier
Patent

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Optical amplifier module

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

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Optical coupler for optical direct amplifier

Multiplex communications – Wide area network – Packet switching
Patent

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Profile ID: LFUS-PAI-P-492399

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