Patents by Inventor Takesi Kimura

Takesi Kimura 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: 4947019
    Abstract: A composite electrode for resistance welding of the present invention comprises an electrode made of a high-melting point metal or alloy, an electrode holder made of a copper alloy and an intermediate member made of a copper alloy, the electrode being undetachably inserted into the intermediate member which is detachably mounted in the electrode holder so that the contact surface between the end surface of the electrode and the electrode holder bears welding loads when pressure is applied to the electrode, whereby the electrode can be easily mounted or separated and centering of the electrode can be precisely performed.
    Type: Grant
    Filed: December 23, 1988
    Date of Patent: August 7, 1990
    Assignees: Nippondenso Co., Ltd, Mitsui Mining & Smelting Co., Ltd.
    Inventors: Kazutoyo Akiyama, Takesi Kimura, Yoshiharu Terada, Hiromasa Hasegawa, Naotake Okabe, Hiroshi Yamaguchi