Patents by Inventor Wai-Kuen Koh

Wai-Kuen Koh 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).

  • Air baffle device with a plurality of metal plates for reducing disk stack vibration in media servowriter
    Patent number: 7573673
    Abstract: The present invention provides an air baffle device for reducing disk vibration of a disk drive, where the air baffle device comprises a plurality of metal plates, and a fastening means for assembling the plurality of metal plates into a multi-layered structure. In another aspect of the present invention, there is provided an air baffle device for reducing disk vibration of a disk drive, where the air baffle device comprises a plurality of metal plates, a plurality of spacers, and a fastening means for assembling the plurality of metal plates and spacers into a multi-layered structure.
    Type: Grant
    Filed: September 20, 2005
    Date of Patent: August 11, 2009
    Assignee: LaserResearch (S) Pte Ltd
    Inventors: Kien-Wee Lai, Wel-Min Wang, Jui-Kiat Goh, Wai-Kuen Koh
  • Air baffle device for reducing disk stack vibration in media servowriter
    Publication number: 20060061905
    Abstract: The present invention provides an air baffle device for reducing disk vibration of a disk drive, where the air baffle device comprises a plurality of metal plates, and a fastening means for assembling the plurality of metal plates into a multi-layered structure. In another aspect of the present invention, there is provided an air baffle device for reducing disk vibration of a disk drive, where the air baffle device comprises a plurality of metal plates, a plurality of spacers, and a fastening means for assembling the plurality of metal plates and spacers into a multi-layered structure.
    Type: Application
    Filed: September 20, 2005
    Publication date: March 23, 2006
    Inventors: Kien-Wee Lai, Wel-Min Wang, Jui-Kiat Goh, Wai-Kuen Koh