Patents by Inventor Katzuto Mugura

Katzuto Mugura 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: 6222921
    Abstract: An apparatus and method for displaying a telephone directory. A main menu is used to display the names of a telephone directory, and each of the names is associated with a primary number. A sub menu is used to display the numbers associated with each of the names in the main menu. The primary number is denoted and automatically selected in the second menu.
    Type: Grant
    Filed: August 12, 1998
    Date of Patent: April 24, 2001
    Assignees: Sony Corporation, Sony Electronics Inc.
    Inventors: Katzuto Mugura, Bryan Lew Fong, Chris Shi-Chai Liu