Patents by Inventor Seishu Kawashima

Seishu Kawashima 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).

  • Numerically-controlled lathe, numerically-controlled device therefor and processing procedure thereby
    Patent number: 5127140
    Abstract: The present invention relates to a numerically-controlled lathe, a numerically-controlled device therefore and a procedure for processing a workpiece thereby. An object of the invention is to provide a numerically-controlled lathe adapted to designate one of two spindles and three tool rests and a procedure for processing a workpiece thereby.
    Type: Grant
    Filed: December 18, 1990
    Date of Patent: July 7, 1992
    Assignee: Hitachi Seiki Co., Ltd.
    Inventors: Kazuhiko Oiwa, Seishu Kawashima, Takanobu Sato, Akira Kosho, Atsuo Watanabe
  • Interactive device for entering graphic data
    Patent number: 4788636
    Abstract: Disclosed is a device for inputting a list of the shape of a work which enables an operator to make a final list representing the shape of a work by entering elements and dimensions of the work based on a display representing the shape of the work which is stored in advance on the basis of a design drawing.
    Type: Grant
    Filed: May 6, 1986
    Date of Patent: November 29, 1988
    Assignee: Hitachi Seiki Co., Ltd.
    Inventors: Hidefumi Shiratori, Seishu Kawashima, Hiromitsu Katoh