Patents by Inventor Yoichi Kuramitsu

Yoichi Kuramitsu 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 integrated circuit
    Patent number: 4853757
    Abstract: A semiconductor integrated circuit such as a master slice LSI, wherein a gate region and input/output cell regions in the periphery thereof are composed entirely of logic-constituting elements servable as input/output cells. The logic-constituting cells in the whole of the input/output cell regions and any desired portion of the gate region are formed as input/output cells in the slice process of production.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: August 1, 1989
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Yoichi Kuramitsu, Takahiko Arakawa