Patents by Inventor Yong-Iack Choi

Yong-Iack Choi 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).

  • Capacitor-Less Dynamic Random Access Memory (DRAM) Devices
    Publication number: 20100084710
    Abstract: Dynamic random access memory (DRAM) devices including an insulating layer on a semiconductor substrate; a silicon layer on the insulating layer; an active region in the silicon layer; and a unit cell of a transistor on the active region are provided. The DRAM device does not include a capacitor.
    Type: Application
    Filed: September 22, 2009
    Publication date: April 8, 2010
    Inventors: Sung-hwan Kim, Yong-chul Oh, Hoon Jeong, Sung-in Hong, Yong-Iack Choi, Ho-ju Song