Patents by Inventor Byung Koo Ham

Byung Koo Ham 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).

  • Apparatus for testing semiconductor memory
    Patent number: 6301167
    Abstract: An apparatus for testing a semiconductor memory is disclosed, which includes a power control module for varying an output voltage of the power supply unit and supplying to the semiconductor memory in accordance with a power control signal from a CPU(Central Processing Unit) of the main board, and an interface unit for supplying the power control signal from the CPU of the main board to the power control module, thus implementing an accurate operation state of an actual mounting environment of a semiconductor memory device by varying and supplying a certain voltage supplied from a power supply unit when testing whether a semiconductor memory device is defective or not using a main board of a computer apparatus.
    Type: Grant
    Filed: August 12, 2000
    Date of Patent: October 9, 2001
    Assignee: Silicon Tech Ltd.
    Inventors: Ill Young Lee, Sang Sik Lee, Jong Hyun Kim, Duk Chun Park, Byung Soo Ham, Byung Koo Ham