Patents by Inventor Tukasa Shiina

Tukasa Shiina 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).

  • Method and apparatus for welding robot control
    Patent number: 5170034
    Abstract: A method and a system for controlling a welding robot is disclosed, in which at the time of restarting the welding operation after a provisional welding stoppage which may occur during a series of welding operation by a robot, the welding operation is restarted from a position receded along the welding line thus far followed. A memory unit sequentially holds the position data along the welding line during the welding operation. The position receded along the welding line is calculated in accordance with the position data held in the memory unit during the provisional welding operation stoppage.
    Type: Grant
    Filed: February 26, 1991
    Date of Patent: December 8, 1992
    Assignees: Hitachi, Ltd., Hitachi Keiyo Engineering Co., Ltd.
    Inventors: Tatsuya Seshimo, Shigeyoshi Yokoyama, Raiji Shimomura, Tukasa Shiina