Patents by Inventor Kenichi Sengo

Kenichi Sengo 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).

  • CDM simulator
    Patent number: 5740007
    Abstract: A CDM simulator for use with an integrated circuit having a terminal and for use with a grounding conductor, includes a cylindrical conductor, and a mercury lead switch contained in the cylindrical conductor, the mercury lead switch having a first end connected to the cylindrical conductor and a second end for connection to the terminal of the integrated circuit, and the mercury lead switch having a first length, the cylindrical conductor having an end closer to the terminal of the integrated circuit for connection to the grounding conductor in order to release electric charge from the integrated circuit to the grounding conductor, and the cylindrical conductor having a second length longer than the first length of the mercury lead switch.
    Type: Grant
    Filed: June 10, 1996
    Date of Patent: April 14, 1998
    Assignee: Hanwa Electronic Ind. Co., Ltd.
    Inventors: Toshiyuki Nakaie, Akira Yoshino, Shin Yoshida, Kenichi Sengo