Patents by Inventor Kenji Nanseki

Kenji Nanseki 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).

  • Patent number: 5798655
    Abstract: Provided is a contact probe unit for establishing an electric contact between parts to be contacted and terminals of an external circuit. A plurality of needle members are slidably received individually in support holes provided in a support block. A resilient block is placed over the upper surface of the support block, and the needle members can be thereby engaged to the parts to be contacted with a suitable spring force. The electric contact between the upper ends of the needle members and the terminals of the external circuit may be achieved either directly or via a pressure sensitive electroconductive resilient block. The use of resiliently supported needle members ensures a high reliability and a high durability. Furthermore, a high dimensional precision on the pitch of the front ends of the needle members can be achieved without any difficulty.
    Type: Grant
    Filed: March 10, 1997
    Date of Patent: August 25, 1998
    Assignee: NHK Spring Co., Ltd.
    Inventors: Toshio Kazama, Kenji Nanseki