Patents by Inventor Hyeong-Kyu Yim

Hyeong-Kyu Yim 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).

  • Patent number: 5109361
    Abstract: An electrically page erasable and programmable read only memory device is an EEPROM device which is erasable page by page, and consists of flash-type floating gate transistors as the memory cells. The memory cell array of the device is divided by a plurality of pages, wherein each page comprises a plurality of bit lines, a plurality of common source lines, and a plurality of word lines. A plurality of erase selection circuits are arranged and correspond to the respective pages in order to erase the cells in a selected page, wherein each erase selection circuit comprises a passing transistor, a gate, a voltage stabilizing transistor, and an erasing line.
    Type: Grant
    Filed: January 4, 1990
    Date of Patent: April 28, 1992
    Assignee: SamSung Electronics Co., Ltd.
    Inventors: Hyeong-Kyu Yim, Woong-Mu Lee