4. Telephonic communications
  5. With usage measurement
  6. Call traffic recording or monitoring

Yoshihiro Tanigawa

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Communication apparatus

Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent

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Connector

Electrical connectors – With insulation other than conductor sheath – Plural-contact coupling part
Patent

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Control of incoming and outgoing calls in a key system

Telephonic communications – Multi-line or key substation system with selective switching... – Switching or supervision feature
Patent

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Device for transmitting and receiving information signal in mult

Telecommunications – Transmitter and receiver at same station – Having particular housing or support of a transceiver
Patent

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Lever modular jack telephone type connector

Electrical connectors – Contact comprising cutter – Insulation cutter
Patent

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Profile ID: LFUS-PAI-P-191190

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