Patents by Inventor Miharu Shinomiya

Miharu Shinomiya 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).

  • Semi-automatic hot wire tig welding equipment
    Patent number: 4801781
    Abstract: A semi-automatic hot wier TIG (Tungsten Inert Gas) welding equipment comprising: a portable TIG arc torch; a portable filler wire feed torch; a hot wire switching power source for energizing the TIG arc torch, the filler wire feed torch and a base metal; a filler wire feeding device for feeding the wire to the wire feeding torch at a desired rate; a welding condition control device for controlling wire heating power so as to provide wire heating power commensurate to the wire feed rate; means for measuring the resistance value of the wire extension section between the terminal end of the wire and the terminal end of the filler wire feed torch; and means for controlling said filler wire feeding means to change the wire feed rate in response to the detected wire extension.
    Type: Grant
    Filed: December 15, 1986
    Date of Patent: January 31, 1989
    Assignee: Babcock-Hitachi Kabushiki Kaisha
    Inventors: Katsuyoshi Hori, Toshiharu Myoga, Miharu Shinomiya, Eiji Watanabe, Kazuki Kusano, Toshiaki Takuwa, Miharu Hafuri