Patents by Inventor Ki Teok Park

Ki Teok Park 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).

  • Voltage pumping device
    Patent number: 7768340
    Abstract: A voltage pumping device is provided which includes a source voltage generator for generating a source voltage which has a first voltage level for a predetermined period and a second voltage level after a lapse of the predetermined period, the second voltage level being constant, and a pumping circuit configured to receive the source voltage and pump a predetermined voltage.
    Type: Grant
    Filed: June 29, 2007
    Date of Patent: August 3, 2010
    Assignee: Hynix Semiconductor Inc.
    Inventors: Han Suk Ko, Ki Teok Park
  • Voltage pumping device
    Publication number: 20080116958
    Abstract: A voltage pumping device is provided which includes a source voltage generator for generating a source voltage which has a first voltage level for a predetermined period and a second voltage level after a lapse of the predetermined period, the second voltage level being constant, and a pumping circuit configured to receive the source voltage and pump a predetermined voltage.
    Type: Application
    Filed: June 29, 2007
    Publication date: May 22, 2008
    Inventors: Han Suk Ko, Ki Teok Park