Patents by Inventor Cheng Weitao

Cheng Weitao 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
    Patent number: 8643106
    Abstract: A transistor capable of adjusting a threshold value is obtained by adjusting an impurity concentration of a silicon substrate supporting an SOI layer and by controlling a thickness of a buried insulating layer formed on a surface of the silicon substrate in contact with the SOI layer.
    Type: Grant
    Filed: June 21, 2007
    Date of Patent: February 4, 2014
    Assignees: National University Corporation Tohoku University, Foundation for Advancement of International Science
    Inventors: Tadahiro Ohmi, Akinobu Teramoto, Cheng Weitao