Patents by Inventor Toru IRISAWA

Toru IRISAWA 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).

  • Storage device and method for location based protection of data in a portable storage device
    Patent number: 10002264
    Abstract: A storage device includes a memory including a first storage area configured to store area information that indicates a geographical area, and a second storage area configured to store data, and a processor coupled to the memory and configured to append data storage information, which indicates a location of the storage device, to the data to be stored in the second storage area, and allow a piece of the data stored in the second storage area to become available, the piece having the data storage information indicating that the location of the storage device falls within an area indicated by the area information, while the storage device is located within the area indicated by the area information.
    Type: Grant
    Filed: December 2, 2013
    Date of Patent: June 19, 2018
    Assignee: FUJITSU LIMITED
    Inventors: Ayumi Takano, Toru Irisawa, Shigeru Ikushima, Takuma Yamada
  • STORAGE DEVICE, AND METHOD FOR PROTECTING DATA IN STORAGE DEVICE
    Publication number: 20140173237
    Abstract: A storage device includes a memory including a first storage area configured to store area information that indicates a geographical area, and a second storage area configured to store data, and a processor coupled to the memory and configured to append data storage information, which indicates a location of the storage device, to the data to be stored in the second storage area, and allow a piece of the data stored in the second storage area to become available, the piece having the data storage information indicating that the location of the storage device falls within an area indicated by the area information, while the storage device is located within the area indicated by the area information.
    Type: Application
    Filed: December 2, 2013
    Publication date: June 19, 2014
    Applicant: FUJITSU LIMITED
    Inventors: Ayumi TAKANO, Toru IRISAWA, Shigeru IKUSHIMA, Takuma YAMADA