Patents by Inventor Hisky Xiao

Hisky Xiao 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).

  • Virtual firewall
    Patent number: 8127347
    Abstract: The present invention provides a firewall device that is divided into several virtual firewalls. The users in the Intranet are divided into several user groups based on different security policy demands. Each virtual firewall is equipped with the security policy of the corresponding user group. Each firewall manages one user group in the Intranet. Thus, the present invention reduces the complexity of the firewall management, reduces the extra cost of adding more firewalls and makes the management easier.
    Type: Grant
    Filed: December 29, 2006
    Date of Patent: February 28, 2012
    Assignee: 02Micro International Limited
    Inventor: Hisky Xiao
  • Virtual firewall
    Publication number: 20080163357
    Abstract: The present invention provides a firewall device that is divided into several virtual firewalls. The users in the Intranet are divided into several user groups based on different security policy demands. Each virtual firewall is equipped with the security policy of the corresponding user group. Each firewall manages one user group in the Intranet. Thus, the present invention reduces the complex of the firewall management, reduces the extra cost of adding more firewalls and makes the management easier.
    Type: Application
    Filed: December 29, 2006
    Publication date: July 3, 2008
    Inventor: Hisky Xiao