Patents by Inventor Ka Cheung

Ka Cheung 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).

  • Flat-cell read-only memory structure
    Publication number: 20070014142
    Abstract: The integrated circuit memory comprises a memory array including a plurality of memory cells in rows and columns, the memory array being divided into a plurality of blocks of the memory cells.
    Type: Application
    Filed: July 15, 2005
    Publication date: January 18, 2007
    Inventors: Wai Ng, Chi Lee, Ka Cheung, Yin Li
  • Collapsible baby cot
    Publication number: 20060117478
    Abstract: A collapsible baby cot has a support frame consisting of a first closed hoop of resilient flexible material defining a periphery of a cot base, a second closed hoop of resilient flexible material defining an upper edge of a cot wall and an open hoop of resilient flexible material having first and second ends connected to one of the closed hoops and forming a cot handle. A fabric material substantially covers the cot base the cot wall. The support frame is collapsible to a series of circular loops that are smaller than the closed hoops.
    Type: Application
    Filed: December 7, 2004
    Publication date: June 8, 2006
    Inventor: Ka Cheung