NTT COMWARE CORPORATION

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6847707 Communication charge calculating apparatus, control method for the same, and medium in which program for the communication charge calculating apparatus has been recordedExpiredApr 12, 02Jan 25, 05[H04M]
6847710 Device for collecting, processing, working, and managing call details and method for collecting, processing, working, and managing call detailsExpiredApr 12, 02Jan 25, 05[H04M]
6651174 Firewall port switchingExpiredMar 23, 99Nov 18, 03[H04L]
6374243 Database access system having time-out mechanismExpiredMar 24, 99Apr 16, 02[G06F]

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