Patents by Inventor Yumi Katayama

Yumi Katayama 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).

  • DSL communication apparatus, and download method of DSL communication program
    Patent number: 7584295
    Abstract: A host manages a ROM that stores a handshake program for executing a handshake sequence and an initialization program for executing an initialization sequence. During the handshake sequence, the handshake program is retrieved from the ROM to download the program to a non-resident memory of a program area. Upon completing the handshake sequence, the initialization program is retrieved from the ROM, to download the program to the non-resident memory, replacing the handshake program.
    Type: Grant
    Filed: April 9, 2003
    Date of Patent: September 1, 2009
    Assignee: Panasonic Corporation
    Inventors: Yumi Katayama, Nobuhiko Noma
  • DSL communication apparatus, and download method of DSL communication program
    Publication number: 20030233481
    Abstract: A host manages a ROM that stores a handshake program for executing a handshake sequence and an initialization program for executing an initialization sequence. During the handshake sequence, the handshake program is retrieved from the ROM to download the program to a non-resident memory of a program area. Upon completing the handshake sequence, the initialization program is retrieved from the ROM, to download the program to the non-resident memory, replacing the handshake program.
    Type: Application
    Filed: April 9, 2003
    Publication date: December 18, 2003
    Applicant: Panasonic Communications Co., Ltd.
    Inventors: Yumi Katayama, Nobuhiko Noma