4. Multiplex communications
  5. Wide area network
  6. Packet switching

Yasuyuki Okumura

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Continuity angle controlled self-excited inverter circuit

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent

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Heat-exchange cooling device and power supply circuit driver...

Electricity: motive power systems – Induction motor systems – Primary circuit control
Reexamination Certificate

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Point-to-multipoint optical transmission system

Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent

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Polyphase phase lock oscillator

Multiplex communications – Wide area network – Packet switching
Patent

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Profile ID: LFUS-PAI-P-386200

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