4. Telecommunications
  5. Radiotelephone system
  6. Security or fraud prevention

Harumi Yamagishi

Inventor

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Apparatus and method for operating a cellular or portable teleph

Telecommunications – Radiotelephone system – Security or fraud prevention
Patent

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Communication terminal apparatus and method for selecting...

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate

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Method and apparatus for selecting a vocoder type for use in...

Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate

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Satellite communication system

Telecommunications – Carrier wave repeater or relay system – Portable or mobile repeater
Patent

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Profile ID: LFUS-PAI-P-1848450

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