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

Ryuhei Fujiwara

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Apparatus for controlling a power supply of an electric machine

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Patent

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Automatic call making system and a mobile radio terminal

Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate

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Circuit arrangement for protecting a control channel from jammin

Telecommunications – Transmitter and receiver at separate stations – Single message via plural carrier wave transmission
Patent

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Communication system capable of reducing communication load

Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate

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Data distribution method, system, and apparatus and...

Electrical computers and digital processing systems: multicomput – Distributed data processing – Client/server
Reexamination Certificate

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Profile ID: LFUS-PAI-P-97720

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