Patents by Inventor Kozo Fukui

Kozo Fukui 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).

  • Method of manufacturing semiconductor device which can reduce manufacturing cost without dropping performance of logic mixed DRAM
    Patent number: 6271075
    Abstract: A method of manufacturing a semiconductor device, includes a providing step, a forming step, and a removing step. The providing step includes providing a DRAM section and a logic section in a substrate. The forming step includes forming a first silicide layer in the DRAM section and a second silicide layer in the logic section. The removing step includes removing the first silicide layer.
    Type: Grant
    Filed: March 27, 2000
    Date of Patent: August 7, 2001
    Assignee: NEC Corporation
    Inventor: Kozo Fukui