4. Telephonic communications
  5. Special services
  6. Automatic directory service

Yoichi Okudera

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Address inquiry system, computer software product, and...

Electrical computers and digital processing systems: multicomput – Computer conferencing – Demand based messaging
Reexamination Certificate

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Telephone directory assistance method and telephone...

Telephonic communications – Special services – Automatic directory service
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3050107

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