Patents by Inventor Toshiko Hiraoka

Toshiko Hiraoka 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).

  • Receiver in data broadcasting system
    Patent number: 6281937
    Abstract: In a receiver in a data broadcasting system, a receiver in a second data broadcasting system according to the present invention is characterized by comprising judging device for judging whether or not program data constituting at least one of received programs has been updated, and switching device for switching, when it is judged by the judging device that the program data has been updated, a program to be displayed into the program whose program data updating has been performed.
    Type: Grant
    Filed: May 4, 1999
    Date of Patent: August 28, 2001
    Assignee: Sanyo Electric Co.
    Inventors: Yoshikazu Tomida, Hironori Mitoh, Toshiko Hiraoka