Patents by Inventor Kiyoshi Takagawa

Kiyoshi Takagawa 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).

  • Plural turret system with display of permitted and non-permitted simultaneous machining operations
    Patent number: 4700313
    Abstract: A numerically controlled machining system in which plural simultaneous machining operations can be carried out. A display is effected in matrix form of all combinations of machining operations which can be performed by various tools of the machining system, for instance, a lathe. The operator can readily select among the various possible combinations to make maximum use of the available machining tools.
    Type: Grant
    Filed: February 2, 1987
    Date of Patent: October 13, 1987
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Kiyoshi Takagawa
  • Numerical control working system
    Patent number: 4586125
    Abstract: An NC working system is characterized in that a working period consisting of periods of time for travelling and idling for respective tool rests of a lathe or the like is obtained by an automatic program, the thus obtained working periods are simultaneously displayed as a bar graph on a display, and the periods of travelling time and idling time are made shiftable for correction on the display, so as to reduce the working period.
    Type: Grant
    Filed: September 6, 1983
    Date of Patent: April 29, 1986
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Kiyoshi Takagawa