Patents by Inventor Kijyu Kawada

Kijyu Kawada 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: 4719830
    Abstract: A method of and apparatus for controlling the heat deformation of machine tools having a plurality of frames is disclosed in which the temperatures at symmetrical or opposite portions of the frames are measured, analyzed and then utilized to maintain the temperatures of the frames at the same temperature, or to maintain a constant temperature difference between the frame portions. The frame portions may either be heated or cooled to obtain the desired temperature.
    Type: Grant
    Filed: November 20, 1986
    Date of Patent: January 19, 1988
    Assignee: Amada Company, Limited
    Inventors: Kijyu Kawada, Nobuyuki Ikeda