Patents by Inventor Shigeru Koikawa

Shigeru Koikawa 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 of forming configuration data for CNC machining apparatus
    Patent number: 5014209
    Abstract: A method of forming configuration data for a CNC machine tool having a CNC (computerized numerical control unit) comprising a CPU (central processing unit), a memory, input/output means, and servo drive means. According to final configuration data train inputted for a workpiece, an edge-corrected configuration data block train is formed with the edge configuration of a cutting tool taken into accound, and configuration data are formed for a remainder which is created in said workpiece because of the edge configuration correction, so that the workpiece is automatically machined.
    Type: Grant
    Filed: October 3, 1988
    Date of Patent: May 7, 1991
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Shigeki Nankaku, Shigeru Koikawa