Patents by Inventor Wai Chung Yip

Wai Chung Yip 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).

  • Database and method for storing a searchable set of keywords
    Patent number: 6976025
    Abstract: A methods for storing a searchable set of keywords includes concatenating the keywords to form a string, and defining one or more links between two or more characters in the string. A delimiting character separates the keywords in the string, and the links are pointers. Any inaccessible characters in the string are removed to improve the storage cost the method.
    Type: Grant
    Filed: April 1, 2002
    Date of Patent: December 13, 2005
    Assignee: Hong Kong Polytechnic University
    Inventors: Robert Wing Pong Luk, Wai Chung Yip
  • Database and method for storing a searchable set of keywords
    Publication number: 20030187856
    Abstract: A methods for storing a searchable set of keywords includes concatenating the keywords to form a string, and defining one or more links between two or more characters in the string. A delimiting character separates the keywords in the string, and the links are pointers. Any inaccessible characters in the string are removed to improve the storage cost the method.
    Type: Application
    Filed: April 1, 2002
    Publication date: October 2, 2003
    Applicant: The Hong Kong Polytechnic University
    Inventors: Robert Wing Pong Luk, Wai Chung Yip