Patents by Inventor Takao Tenma

Takao Tenma 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).

  • Method for Activating Content and Content Reproduction Apparatus
    Publication number: 20110213986
    Abstract: A firmware verification section verifies whether a firmware for controlling the activating of contents has been falsified or not, prior to the activating of the contents; a decoding key setting section sets a key to the firmware; the key is used to decode an encrypted activation program for activating the contents, when the firmware has not been falsified; and an activation program decoding section decodes the encrypted activation program by using the firmware with the key set to the firmware.
    Type: Application
    Filed: April 20, 2010
    Publication date: September 1, 2011
    Applicant: Sony Computer Entertainment Inc.
    Inventors: Kazuhiro Kanee, Muneki Shimada, Takeshi Kono, Takao Tenma, Shinji Noda