Patents by Inventor Yong-Chang Chen

Yong-Chang Chen 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: 8613047
    Abstract: A system and method which may allow users to interact with Internet servers with graphical mouse movements. The invention is especially useful to enhance online transaction security. A user may use a mouse to draw a pattern and store the pattern as his password to an online account, and draw the pattern with a mouse to log in the online account. The password may include a drawing, one or more letters, one or more numbers, or one or more characters. In an embodiment, a computer program product may include a computer-readable medium having instructions which, when performed by a computer, perform a user authentication method. The user authentication method may include receiving at an Internet server a username; receiving at the Internet server a password which is drawn with graphical movements of a graphical drawing input device; determining whether the password drawn matches a password previously stored with the username; and authenticating a user accordingly.
    Type: Grant
    Filed: April 21, 2009
    Date of Patent: December 17, 2013
    Assignee: Yahoo! Inc.
    Inventors: Yong-Chang Chen, Howard (Ping-Chia) Su, Jyun-Jie (James) Yan
  • Publication number: 20100269165
    Abstract: A system and method which may allow users to interact with Internet servers with graphical mouse movements. The invention is especially useful to enhance online transaction security. A user may use a mouse to draw a pattern and store the pattern as his password to an online account, and draw the pattern with a mouse to log in the online account. The password may include a drawing, one or more letters, one or more numbers, or one or more characters.
    Type: Application
    Filed: April 21, 2009
    Publication date: October 21, 2010
    Applicant: Yahoo! Inc.
    Inventors: Yong-Chang Chen, Howard (Ping-Chia) Su, Jyun-Jie (James) Yan