Patents by Inventor Tat-On Man

Tat-On Man 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).

  • Exporting and importing of data in object-relational databases
    Patent number: 6502098
    Abstract: A computer system for transferring data from an object relational database to another such database. The data in the source database having a table type hierarchy of data tables. The system transforming data from the source database to a flat file format data transfer file using a defined tree traversal order. The columns and subcolumns of the data transfer file corresponding to types and attributes from the source database type hierarchy; The data transfer file having a type identifier column corresponding to a type in the table type hierarchy. The system permitting the inputting of the data from the data transfer file to a target database having a table type hierarchy corresponding to the table type hierarchy of the source database.
    Type: Grant
    Filed: March 13, 2002
    Date of Patent: December 31, 2002
    Assignee: International Business Machines Corporation
    Inventor: Leo Tat Man Lau
  • Exporting and importing of data in object-relational databases
    Publication number: 20020133510
    Abstract: A computer system for transferring data from an object relational database to another such database. The data in the source database having a table type hierarchy of data tables. The system transforming data from the source database to a flat file format data transfer file using a defined tree traversal order. The columns and subcolumns of the data transfer file corresponding to types and attributes from the source database type hierarchy; The data transfer file having a type identifier column corresponding to a type in the table type hierarchy. The system permitting the inputting of the data from the data transfer file to a target database having a table type hierarchy corresponding to the table type hierarchy of the source database.
    Type: Application
    Filed: March 13, 2002
    Publication date: September 19, 2002
    Applicant: INTERNATIONAL BUSINESS MACHINES CORP.
    Inventor: Leo Tat Man Lau
  • Exporting and importing of data in object-relational databases
    Patent number: 6381600
    Abstract: A computer system for transferring data from an object relational database to another such database. The data in the source database having a table type hierarchy of data tables. The system transforming data from the source database to a flat file format data transfer file using a defined tree traversal order. The columns and subcolumns of the data transfer file corresponding to types and attributes from the source database type hierarchy. The data transfer file having a type identifier column corresponding to a type in the table type hierarchy. The system permitting the inputting of the data from the data transfer file to a target database having a table type hierarchy corresponding to the table type hierarchy of the source database.
    Type: Grant
    Filed: September 22, 1999
    Date of Patent: April 30, 2002
    Assignee: International Business Machines Corporation
    Inventor: Leo Tat Man Lau