Patents by Inventor Takayuki Sugeta

Takayuki Sugeta 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).

  • Electrode structure for a semiconductor devices
    Patent number: 4587547
    Abstract: An electrode structure for use in semiconductor devices comprising: a semiconductive layer; a conductive layer disposed on one surface of the semiconductive layer; first regions which intervene between the layers and serve as passages for transmitting minority carriers from the semiconductive layer to said conductive layer; and second regions which intervene between said layers and serve as passages for conveying majority carriers between the semiconductive layer and conductive layer, the first and second regions being selectively formed on the semiconductive layer so as to be adjacent to one another.
    Type: Grant
    Filed: July 12, 1983
    Date of Patent: May 6, 1986
    Assignee: Nippon Telegraph & Telephone Public Corp.
    Inventors: Yoshihito Amemiya, Takayuki Sugeta, Yoshihiko Mizushima