Patents by Inventor Hui-Hsien Chiu

Hui-Hsien Chiu 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).

  • Multiple non-directional scanning
    Patent number: 6650442
    Abstract: A multiple non-directional scanning method. A document preview scanning is carried out from one end of the document to the other. The preview image is next analyzed to provide a set of scan parameters. After setting the scan parameters, the scanner performs a backward scanning operation from the other end of the document back to the original start-up position to obtain a final scan image.
    Type: Grant
    Filed: July 17, 2000
    Date of Patent: November 18, 2003
    Assignee: Umax Data Systems, Inc.
    Inventor: Hui-Hsien Chiu
  • Multiple non-directional scanning
    Patent number: RE42234
    Abstract: A multiple non-directional scanning method. A document preview scanning is carried out from one end of the document to the other. The preview image is next analyzed to provide a set of scan parameters. After setting the scan parameters, the scanner performs a backward scanning operation from the other end of the document back to the original start-up position to obtain a final scan image.
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: March 22, 2011
    Assignee: Transpacific Systems, LLC
    Inventor: Hui-Hsien Chiu