Patents by Inventor Ki-Yong Ahn

Ki-Yong Ahn 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 device having a plurality of redundancy input/output lines
    Patent number: 6134158
    Abstract: The semiconductor device having a plurality of redundancy input/output lines is disclosed. The device includes a plurality of input/output lines through which data are transmitted, a plurality of redundancy input/output lines, a plurality of data bus lines connected with the input/output lines and the redundancy input/output lines, respectively, a plurality of switching units connected with the redundancy input/output lines and the data bus lines, and a redundancy circuit connected with the switching units and connected with one among the input/output lines and one among the data bus lines for thereby repairing a plurality of defective input/output lines by providing a plurality of redundancy input/output lines.
    Type: Grant
    Filed: November 27, 1998
    Date of Patent: October 17, 2000
    Assignee: Hyundai Electronics Industries Co., Ltd.
    Inventor: Ki-Yong Ahn