Patents by Inventor Yumiko Nishi

Yumiko Nishi 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).

  • Communication method of supplying information in intelligent network and apparatus therefor
    Patent number: 5809119
    Abstract: A communication method for providing information in an intelligent network includes a step of entering by a user a connection number of the user terminal, a connection number of an information provider terminal and a time to receive the information providing service into a user database provided in a transmission layer, a step of reading the data registered in the user database into a service control database provided in the intelligent layer, a step of referring to the service control database to automatically connect the user terminal and the information provider terminal when a service start time is reached and automatically disconnect the connection therebetween when a service end time is reached.
    Type: Grant
    Filed: June 20, 1996
    Date of Patent: September 15, 1998
    Assignee: Hitachi, Ltd.
    Inventors: Yukiko Tonomura, Yoshito Sakurai, Yumiko Nishi
  • Communication method of supplying information in intelligent network and apparatus therefor
    Patent number: 5590180
    Abstract: A communication method and apparatus which provides information in an intelligent network. The communication method and apparatus allows a user to enter a connection number of the user terminal, a connection number of an information provider terminal and time to receive information from the information providing service into a user database provided in a transmission layer. The data registered in the user database is read into a service control database provided in the intelligent layer. The service control database is referred to in order to automatically connect the user terminal and the information providing service when a service start time is reached and automatically disconnect the connection therebetween when a service end time is reached.
    Type: Grant
    Filed: September 28, 1994
    Date of Patent: December 31, 1996
    Assignee: Hitachi, Ltd.
    Inventors: Yukiko Tonomura, Yoshito Sakurai, Yumiko Nishi
  • Bit synchronization circuit
    Patent number: 5022057
    Abstract: A telephone exchange system has a plurality of bit synchronization circuit each provided for an individual subscriber's line. A single clock generating circuit which generates a plurality of clocks is provided in common to the plurality of bit synchronization circuits. The bit synchronization circuit selects one clock of a phase suitable for regenerating an input data signal among the plurality of clocks applied thereto by the clock generating circuit, and regenerates and phases the input data signal by using the selected clock.
    Type: Grant
    Filed: March 9, 1989
    Date of Patent: June 4, 1991
    Assignees: Hitachi, Ltd., Hitachi Communication Systems, Inc.
    Inventors: Yumiko Nishi, Yutaka Torii, Norihumi Komatu, Seiichi Takaki
  • Communication method of supplying information in intelligent network and apparatus therefor
    Patent number: RE39903
    Abstract: A communication method for providing information in an intelligent network includes a step of entering by a user a connection number of the user terminal, a connection number of an information provider terminal and a time to receive the information providing service into a user database provided in a transmission layer, a step of reading the data registered in the user database into a service control database provided in the intelligent layer, a step of referring to the service control database to automatically connect the user terminal and the information provider terminal when a service start time is reached and automatically disconnect the connection therebetween when a service end time is reached.
    Type: Grant
    Filed: July 25, 2000
    Date of Patent: October 30, 2007
    Assignee: Hitachi, Ltd.
    Inventors: Yukiko Tonomura, Yoshito Sakurai, Yumiko Nishi
  • Communication method of supplying information in intelligent network and apparatus therefor
    Patent number: RE41472
    Abstract: A communication method for providing information in an intelligent network includes a step of entering by a user a connection number of the user terminal, a connection number of an information provider terminal and a time to receive the information providing service into a user database provided in a transmission layer, a step of reading the data registered in the user database into a service control database provided in the intelligent layer, a step of referring to the service control database to automatically connect the user terminal and the information provider terminal when a service start time is reached and automatically disconnect the connection therebetween when a service end time is reached.
    Type: Grant
    Filed: May 18, 2006
    Date of Patent: August 3, 2010
    Assignee: Hitachi, Ltd.
    Inventors: Yukiko Tonomura, Yoshito Sakurai, Yumiko Nishi