4. Telephonic communications
  5. Reception of calling information at substation in wireline...
  6. Blocking caller id transmission

Koji Yamanishi

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Telephone apparatus

Telephonic communications – Supervisory or control line signaling – Using line or loop condition detection
Reexamination Certificate

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Telephone apparatus with interrupt call processing capability

Telephonic communications – Special services – Call waiting
Patent

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Telephone set with predetermined plural editing functions

Telephonic communications – Reception of calling information at substation in wireline... – Blocking caller id transmission
Patent

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Profile ID: LFUS-PAI-P-1157314

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