Patents by Inventor Mutsumi Kojima

Mutsumi Kojima 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: 5280476
    Abstract: A communication control system using an ATM network and constructed by a small number of virtual connections. Fixed or semi-fixed virtual connection connect each user interface and a corresponding connectionless service processor and interconnect the connectionless service processors. A data packet received from a user terminal is converted into an ATM cell by the user interface and delivered to the connectionless service processor through the virtual connection. In the connectionless service processor, an ATM cell is transferred into a virtual connection located in the direction in which the destination user interface is provided to thereby carry out routine to the ATM cell.
    Type: Grant
    Filed: September 26, 1991
    Date of Patent: January 18, 1994
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Mutsumi Kojima, Toshio Masaki