Patents by Inventor Toshiyuki Masue

Toshiyuki Masue 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).

  • Digital rights management system
    Patent number: 10089704
    Abstract: Disclosed herein is a digital rights management system that includes a storage module that stores a usage right for digital content in a tamper-resistant portion of a memory. The system also includes a flag status module that generates a flag corresponding with a transfer status of the usage right, sets the flag to one of a plurality of transfer statuses, and stores the flag in the tamper-resistant portion of the memory. The transfer statuses include a status indicating a request for the usage right was generated by a device with a usage right recovery mechanism.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: October 2, 2018
    Assignee: HGST NETHERLANDS B.V.
    Inventors: Dai Yun, Toshiyuki Masue, Tatsuya Hirai
  • DIGITAL RIGHTS MANAGEMENT SYSTEM
    Publication number: 20160371804
    Abstract: Disclosed herein is a digital rights management system that includes a storage module that stores a usage right for digital content in a tamper-resistant portion of a memory. The system also includes a flag status module that generates a flag corresponding with a transfer status of the usage right, sets the flag to one of a plurality of transfer statuses, and stores the flag in the tamper-resistant portion of the memory. The transfer statuses include a status indicating a request for the usage right was generated by a device with a usage right recovery mechanism.
    Type: Application
    Filed: August 31, 2016
    Publication date: December 22, 2016
    Inventors: Dai Yun, Toshiyuki Masue, Tatsuya Hirai
  • Digital rights management system
    Patent number: 9460027
    Abstract: Disclosed herein is a digital rights management system that includes a storage module that stores a usage right for digital content in a tamper-resistant portion of a memory. The system also includes a flag status module that generates a flag corresponding with a transfer status of the usage right, sets the flag to one of a plurality of transfer statuses, and stores the flag in the tamper-resistant portion of the memory. The transfer statuses include a status indicating a request for the usage right was generated by a device with a usage right recovery mechanism.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: October 4, 2016
    Assignee: HGST NETHERLANDS, B.V.
    Inventors: Dai Yun, Toshiyuki Masue, Tatsuya Hirai
  • DIGITAL RIGHTS MANAGEMENT SYSTEM
    Publication number: 20160217083
    Abstract: Disclosed herein is a digital rights management system that includes a storage module that stores a usage right for digital content in a tamper-resistant portion of a memory. The system also includes a flag status module that generates a flag corresponding with a transfer status of the usage right, sets the flag to one of a plurality of transfer statuses, and stores the flag in the tamper-resistant portion of the memory. The transfer statuses include a status indicating a request for the usage right was generated by a device with a usage right recovery mechanism.
    Type: Application
    Filed: January 26, 2015
    Publication date: July 28, 2016
    Inventors: Dai Yun, Toshiyuki Masue, Tatsuya Hirai