Patents by Inventor Yinyan Yu

Yinyan Yu 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).

  • Patent number: 9465924
    Abstract: An apparatus for preventing replay attacks and a method for preventing replay attacks are provided in this invention, wherein the apparatus for preventing replay attacks comprises: an acquisition unit for, when a request for operating a digital content is received, acquiring current location information of a set of placeholder files; a determination unit for determining whether the current location information is consistent with recorded location information of the placeholder file; a protection unit for, when inconsistent as determined by the determination unit, wherein there is a correspondence between the digital content and the set of placeholder files.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: October 11, 2016
    Assignees: PEKING UNIVERSITY, PEKING UNIVERSITY FOUNDER GROUP CO., LTD., FOUNDER APABI TECHNOLOGY LIMITED
    Inventors: Cheng Qu, Yinyan Yu, Zhi Tang
  • Publication number: 20140250535
    Abstract: An apparatus for preventing replay attacks and a method for preventing replay attacks are provided in this invention, wherein the apparatus for preventing replay attacks comprises: an acquisition unit for, when a request for operating a digital content is received, acquiring current location information of a set of placeholder files; a determination unit for determining whether the current location information is consistent with recorded location information of the placeholder file; a protection unit for, when inconsistent as determined by the determination unit, wherein there is a correspondence between the digital content and the set of placeholder files.
    Type: Application
    Filed: December 11, 2013
    Publication date: September 4, 2014
    Applicants: PEKING UNIVERSITY, FOUNDER APABI TECHNOLOGY LIMITED, PEKING UNIVERSITY FOUNDER GROUP CO., LTD.
    Inventors: Cheng QU, Yinyan Yu, Zhi Tang