Patents by Inventor Yoshishige Takaki

Yoshishige Takaki 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).

  • Test of a call connection in an intelligent network by referring to accumulated call connections
    Patent number: 5923730
    Abstract: In order to automatically investigate correspondence between a call connection datum indicated by an originating call and a locus which the originating call transits through in an intelligent network, a call connection testing device comprises a memory in which a call information accumulating device accumulates a plurality of call connection data as stored connection data. So as to make a display control unit control an output device for display of the locus, a key is produced by a referring device to indicate the call connection datum and to produce as a produced connection datum one of the stored connection data that is accessed by the key.
    Type: Grant
    Filed: May 30, 1997
    Date of Patent: July 13, 1999
    Assignee: NEC Corporation
    Inventor: Yoshishige Takaki