Patents by Inventor Oonishi Tethuo

Oonishi Tethuo 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).

  • Base board for testing integrated circuits
    Patent number: 4812755
    Abstract: A plug board for testing integrated circuits includes a plurality of sockets for receiving the terminals of an integrated circuit to be tested, a plurality of contacting terminals arranged in an annular layout and electrically connected to the sockets, an annular grounding belt electrically connected to the contacting terminals and adapted to be grounded, and a drive system adapted to rotate the plug board about the center of the contacting terminals.
    Type: Grant
    Filed: May 28, 1987
    Date of Patent: March 14, 1989
    Assignee: Hanwa Electronic Co., Ltd.
    Inventors: Nakaie Toshiyuki, Oonishi Tethuo