Patents by Inventor Kazuyuki Eguchi

Kazuyuki Eguchi 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).

  • Multicast file transmission method
    Patent number: 6941501
    Abstract: A multicast file transmission method is disclosed, which permits efficient multicast file transmission with high reliability even in the communication system, which uses in the up-link direction a specified transmission circuit, such as a multiple access satellite communication circuit. In the multicast file transmission method, a data file is composed of a plurality of blocks from a sending side to respective receiving destinations. At respective destinations, a test is carried out to find whether or not any transmitted packet is erroneous in the data file composed of a plurality of blocks after the end of said transmission of the data file.
    Type: Grant
    Filed: August 10, 2001
    Date of Patent: September 6, 2005
    Assignee: KDDI Corporation
    Inventors: Kazuyuki Eguchi, Masami Ishikura
  • Multicast file transmission method
    Publication number: 20020038441
    Abstract: A multicast file transmission method is disclosed, which permits efficient multicast file transmission with high reliability even in the communication system, which uses in the up-link direction a specified transmission circuit, such as a multiple access satellite communication circuit. In the multicast file transmission method, a data file is composed of a plurality of blocks from a sending side to respective receiving destinations. At respective destinations, a test is carried out to find whether or not any transmitted packet is erroneous in the data file composed of a plurality of blocks after the end of said transmission of the data file.
    Type: Application
    Filed: August 10, 2001
    Publication date: March 28, 2002
    Inventors: Kazuyuki Eguchi, Masami Ishikura