Patents by Inventor Tomokiyo Yoshimatsu

Tomokiyo Yoshimatsu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6304635
    Abstract: A call control management system is constructed causing no deterioration in performance relative to call control even when utilizing a totalizing function. The call control management system includes a call control system and a call information management system. The call control system outputs, every time the transition of a status of a call under control is made, a record showing a status after the call transition to a call status information log file. The call information management system extracts a record about the same call from the call status information log file, creates a record containing at least data convertible into a call charge on the basis of the extracted record, and stores the call information collecting log file with the created record. The call information management system, when indicated to output accounting information and traffic information etc, creates and outputs information indicated to be outputted based on the information stored in the call information collecting log file.
    Type: Grant
    Filed: February 6, 1998
    Date of Patent: October 16, 2001
    Assignee: Fujitsu Limited
    Inventors: Yasuo Iwami, Tomokiyo Yoshimatsu, Kiyomi Akimoto