Patents by Inventor Det Hua Wu

Det Hua Wu 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).

  • Mapping defects on a data wedge basis
    Patent number: 8018671
    Abstract: A method to map defects is provided. A select data track of a storage medium is scanned for a defect. At least one data wedge affected by the defect on the select data track is identified. Each data wedge includes available area for writing user data defined between two servo wedges that include position information. The at least one affected data wedge is identified as unusuable.
    Type: Grant
    Filed: May 31, 2007
    Date of Patent: September 13, 2011
    Assignee: Seagate Technology LLC
    Inventors: Stephen KowChiew Kuan, AikChuan Lim, Edmun ChianSong Seng, UttHeng Kan, Det Hua Wu
  • Mapping Defects on a Data Wedge Basis
    Publication number: 20080298196
    Abstract: A method to map defects is provided. A select data track of a storage medium is scanned for a defect. At least one data wedge affected by the defect on the select data track is identified. Each data wedge includes available area for writing user data defined between two servo wedges that include position information. The at least one affected data wedge is identified as unusuable.
    Type: Application
    Filed: May 31, 2007
    Publication date: December 4, 2008
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Stephen KowChiew Kuan, AikChuan Lim, Edmun ChianSong Seng, UttHeng Kan, Det Hua Wu