Patents by Inventor Yoshikazu Kuno

Yoshikazu Kuno 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).

  • Publication number: 20100296652
    Abstract: There are provided an information recording medium, an information processing apparatus, an information processing method, and a computer program, which can realize users' convenience for using content in accordance with a license and copyright protection. An information recording medium stores an encrypted content file including encrypted content, usage right information of the encrypted content, and encryption key information necessary for a decrypting process for the encrypted content. Thus, a user can acquire a license (usage right information) and key information necessary for decryption of the content, together with the content, from the information recording medium, without acquiring the license (usage rights) by connection to a license provider.
    Type: Application
    Filed: May 21, 2010
    Publication date: November 25, 2010
    Inventors: Tsuyoshi Nakayama, Chikako Mori, Yoshimichi Kitaya, Yoshikazu Kuno