Patents by Inventor Chi-Pei Hsing

Chi-Pei Hsing 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).

  • Method, system, program and data structure for controlling access to sensitive functions
    Publication number: 20050172302
    Abstract: Disclosed is a method, system, program, and data structure for controlling access to a sensitive function in a class. A friend object is generated indicating at least one external function from at least one external class external to the class including the sensitive function. A call from a calling function in a class external to the class including the sensitive function is processed and the calling function is permitted access to the sensitive function in response to determining that the friend object indicates that the calling function can access the sensitive function.
    Type: Application
    Filed: March 23, 2005
    Publication date: August 4, 2005
    Inventors: Gary Chan, Lynda Hansen, Chi-Pei Hsing
  • Technique of password encryption and decryption for user authentication in a federated content management system
    Patent number: 6735310
    Abstract: A technique for password encryption and decryption for user authentication in a federated content management system. One or more commands are executed in a computer to perform a datastore operation on a datastore connected to the computer. A string of characters are received. The string of characters is encrypted based on a first character standard. Then, the encrypted string of characters is transformed to be compatible with a second character standard.
    Type: Grant
    Filed: September 17, 1999
    Date of Patent: May 11, 2004
    Assignee: International Business Machines Corporation
    Inventors: Michael Chi-Pei Hsing, Alan Tsu-I Yaung