Patents by Inventor Yoshihiko Oguchi

Yoshihiko Oguchi 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).

  • Virtual machine system
    Publication number: 20070192765
    Abstract: A virtual machine system managed by a current host OS virtually operating on hardware is provided that activates a spare host OS by copying the current host OS to a prescribed memory device using a live migration function when the current host OS is activated, notifies the spare host OS of a request issued to the current host OS via a virtual machine monitor, changes a state of the spare host OS, and switches an OS for managing the virtual machine system from the current host OS to the spare host OS, when the current host OS is in an erroneous state.
    Type: Application
    Filed: May 26, 2006
    Publication date: August 16, 2007
    Inventors: Kenichirou Shimogawa, Yoshihiko Oguchi, Masaki Kanno, Akio Takebe