Patents by Inventor Junji Hiroshima

Junji Hiroshima 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).

  • COPY LIMITATION MANAGEMENT DEVICE AND METHOD, AND CONTENT STORAGE DEVICE
    Publication number: 20150007352
    Abstract: A content storage device comprises a content storage unit which stores master content with content handling information including conditions of copy limitations added thereto, content information management units which acquire to individually manage content information related to the conditions of the copy limitations from the content handling information added to the stored content in storing the master content, a content information provision unit which reads to provide management information in response to a request, and a copy limitation processing unit which determines the conditions of the copy limitations from the management information of the content information management unit in copy requesting of the master content and instructs execution of copy processing only when the conditions are satisfied, and updates the conditions of the copy limitations in accordance with instructing execution of the copy processing.
    Type: Application
    Filed: September 18, 2014
    Publication date: January 1, 2015
    Inventors: Shinichi Kurihara, Sunao Wada, Yasuo Ooya, Junji Hiroshima, Takafumi Abe
  • COPY LIMITATION MANAGEMENT DEVICE AND METHOD, AND CONTENT STORAGE DEVICE
    Publication number: 20090217387
    Abstract: A content storage device comprises a content storage unit which stores master content with content handling information including conditions of copy limitations added thereto, content information management units which acquire to individually manage content information related to the conditions of the copy limitations from the content handling information added to the stored content in storing the master content, a content information provision unit which reads to provide management information in response to a request, and a copy limitation processing unit which determines the conditions of the copy limitations from the management information of the content information management unit in copy requesting of the master content and instructs execution of copy processing only when the conditions are satisfied, and updates the conditions of the copy limitations in accordance with instructing execution of the copy processing.
    Type: Application
    Filed: January 30, 2009
    Publication date: August 27, 2009
    Inventors: Shinichi KURIHARA, Sunao Wada, Yasuo Ooya, Junji Hiroshima, Takafumi Abe