Patents by Inventor Yukio Itatsu

Yukio Itatsu 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).

  • Tool move control method and apparatus for preventing tool interference with an object.
    Patent number: 4758961
    Abstract: A tool move control method is disclosed. It comprises the steps of setting an interference area for an object which should not be interfered with a tool when a tool rapid move is instructed by a start point and a terminal point for the tool movement, setting an entry prohibit quadrant for prohibiting the tool entry and two or more of quadrants for permitting a move of the tool in the interference area, and controlling a move mode of the tool according to quadrants belonging to the start point and the terminal point in such a manner as to avoid the entry prohibit quadrant. A tool move control apparatus is also disclosed.
    Type: Grant
    Filed: July 10, 1986
    Date of Patent: July 19, 1988
    Assignee: Yamazaki Machinery Works, Ltd.
    Inventors: Kazuki Uemura, Yukio Itatsu, Toshikazu Sakai