Patents by Inventor Satoshi KINUGAWA

Satoshi KINUGAWA 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 and memory region management method
    Patent number: 10289564
    Abstract: A computer on which OSs run is coupled to the storage apparatus, the OSs include a first OS controlling access to the storage apparatus and a second OS generating a virtual computer. A logically divided computer resources are allocated to the first OS and the second OS respectively. A third OS for executing an application runs on the virtual computer. The second OS has a shared region management part managing a shared region that is a memory region used for communication between the application and the first OS. The third operating system has an agent requesting the second operating system to secure the shared region based on a request from the application and mapping the secured shared region to a guest virtual address space.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: May 14, 2019
    Assignee: Hitachi, Ltd.
    Inventors: Yukari Hatta, Norimitsu Hayakawa, Takao Totsuka, Toshiomi Moriki, Satoshi Kinugawa
  • COMPUTER AND MEMORY REGION MANAGEMENT METHOD
    Publication number: 20180203805
    Abstract: A computer on which OSs run is coupled to the storage apparatus, the OSs include a first OS controlling access to the storage apparatus and a second OS generating a virtual computer. A logically divided computer resources are allocated to the first OS and the second OS respectively. A third OS for executing an application runs on the virtual computer. The second OS has a shared region management part managing a shared region that is a memory region used for communication between the application and the first OS. The third operating system has an agent requesting the second operating system to secure the shared region based on a request from the application and mapping the secured shared region to a guest virtual address space.
    Type: Application
    Filed: July 8, 2015
    Publication date: July 19, 2018
    Applicant: HITACHI, LTD.
    Inventors: Yukari HATTA, Norimitsu HAYAKAWA, Takao TOTSUKA, Toshiomi MORIKI, Satoshi KINUGAWA