Patents by Inventor Masao Kajihara

Masao Kajihara 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).

  • Computer system
    Patent number: 7543127
    Abstract: A technology for allowing the smooth acquisition of required data when a processor switches working modes in a computer system is provided. According to one aspect of the present invention, the present invention can provide a computer system including a processor having a plurality of working modes, each having a different privilege level from each other; an exclusive memory area related to a selected one of said plurality of working modes; and a connecting means for connecting said processor with said exclusive memory, depending on said working mode.
    Type: Grant
    Filed: January 24, 2006
    Date of Patent: June 2, 2009
    Assignee: Nokia Corporation
    Inventor: Masao Kajihara
  • Computer system
    Publication number: 20060174079
    Abstract: A technology for allowing the smooth acquisition of required data when a processor switches working modes in a computer system is provided. According to one aspect of the present invention, the present invention can provide a computer system including a processor having a plurality of working modes, each having a different privilege level from each other; an exclusive memory area related to a selected one of said plurality of working modes; and a connecting means for connecting said processor with said exclusive memory, depending on said working mode.
    Type: Application
    Filed: January 24, 2006
    Publication date: August 3, 2006
    Inventor: Masao Kajihara