Patents by Inventor Haruo Mamyoda

Haruo Mamyoda 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 device
    Patent number: 5001487
    Abstract: A semiconductor integrated circuit device is disclosed. The circuit device uses modified (m+n) input cells, each equipped with high load driving functional elements disposed at the periphery of the cell, and having n signal input terminal(s) in addition to m normal signal input terminals that are incorporated in the cell.
    Type: Grant
    Filed: June 26, 1990
    Date of Patent: March 19, 1991
    Assignee: Hitachi, Ltd.
    Inventors: Yasunaga Suzuki, Toshiaki Matsubara, Haruo Mamyoda, Akira Uragami