Patents by Inventor Samuel Pu

Samuel Pu 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).

  • Security management device, communication system, and access control method
    Patent number: 8195816
    Abstract: The present invention provides a technique of preventing a user from being tricked into revealing personal information by pharming. Security server 50 checks whether a combination of a domain name and an IP address of WWW site 30 to be accessed by PC 10 is registered in access-permit DB 55a or access-inhibit DB 55b. Security sever 50 also checks whether the combination is registered in any of secure DNS servers 40 registered in secure DNS DB 55c. On the basis of a result of the checks, security server 50 controls an access by PC 10 to WWW site 30.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: June 5, 2012
    Assignee: Trend Micro Incorporated
    Inventors: Yuji Yamasaki, Samuel Pu, Pender Chang, Andrew Lee, Descartes Chen, Jill Yang, Charles Yu, Vincent Chen, Jayce Chang
  • Security Management Device, Communication System, and Access Control Method
    Publication number: 20090089426
    Abstract: The present invention provides a technique of preventing a user from being tricked into revealing personal information by pharming. Security server 50 checks whether a combination of a domain name and an IP address of WWW site 30 to be accessed by PC 10 is registered in access-permit DB 55a or access-inhibit DB 55b. Security sever 50 also checks whether the combination is registered in any of secure DNS servers 40 registered in secure DNS DB 55c. On the basis of a result of the checks, security server 50 controls an access by PC 10 to WWW site 30.
    Type: Application
    Filed: September 28, 2006
    Publication date: April 2, 2009
    Applicant: TREND MICRO INCORPORATED
    Inventors: Yuji Yamasaki, Samuel Pu, Pender Chang, Andrew Lee, Descartes Chen, Jill Yang, Charles Yu, Vincent Chen, Jayce Chang