Patents by Inventor Choong-Kun Kwak

Choong-Kun Kwak 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).

  • Semiconductor memory device with redundant block and cell array
    Patent number: 5297085
    Abstract: A semiconductor a semiconductor memory device including a plurality of normal blocks containing only normal memory cells without a redundant memory cell and a redundant block containing only redundant memory cells.
    Type: Grant
    Filed: December 2, 1991
    Date of Patent: March 22, 1994
    Assignee: SamSung Electronics Co., Ltd.
    Inventors: Kyu-Hyun Choi, Hyun -Kun Byun, Jung-Ryul Lee, Choong-Kun Kwak